feat: Convert to UPM

Reorganize project files
Separate out editor scripts into a different directory

.github/workflows/ci.yml

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+name: CI
+on:
+  push:
+    branches:
+    - master
+jobs:
+  release:
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Semantic Release
+      id: semantic
+      uses: cycjimmy/[email protected]
+      with:
+        extra_plugins: |
+          @semantic-release/changelog
+          @semantic-release/git
+        branch: master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Create UPM branch
+      run: |
+        git branch -d upm &> /dev/null || echo upm branch not found
+        git subtree split -P "$PKG_ROOT" -b upm
+        git checkout upm
+        if [[ -d "Samples" ]]; then
+          git mv Samples Samples~
+          rm -f Samples.meta
+          git config --global user.name 'github-bot'
+          git config --global user.email '[email protected]'
+          git commit -am "fix: Samples => Samples~"
+        fi
+        git push -f -u origin upm
+      env:
+        PKG_ROOT: "Assets/Adrenak.Tork"
+
+    - name: Create UPM git tag
+      if: steps.semantic.outputs.new_release_published == 'true'
+      run: |
+        git tag $TAG upm
+        git push origin --tags
+      env:
+        TAG: upm/v${{ steps.semantic.outputs.new_release_version }}

.releaserc.json

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+{
+  "tagFormat": "v${version}",
+  "plugins": [
+    ["@semantic-release/commit-analyzer", { "preset": "angular" }],
+    "@semantic-release/release-notes-generator",
+    ["@semantic-release/changelog", { 
+      "preset": "angular",
+      "changelogFile":"Assets/Adrenak.Tork/CHANGELOG.MD"
+    }],
+    ["@semantic-release/npm", { 
+      "npmPublish": false,
+      "pkgRoot":"Assets/Adrenak.Tork"
+    }],
+    ["@semantic-release/git", {
+      "assets": ["Assets/Adrenak.Tork/package.json", "Assets/Adrenak.Tork/CHANGELOG.md"],
+      "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+    }],
+    "@semantic-release/github"
+  ]
+}

Assets/Adrenak.Tork/Editor/AckermannDebug.cs

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+using UnityEngine;
+
+namespace Adrenak.Tork {
+    public class AckermannDebug : MonoBehaviour {
+        [SerializeField] Ackermann target;
+
+        void OnDrawGizmos() {
+            if (target.drawLevel == DrawLevel.Always)
+                Draw();
+        }
+
+        void OnDrawGizmosSelected() {
+            if (target.drawLevel == DrawLevel.OnSelected)
+                Draw();
+        }
+
+        void Draw() {
+            UnityEditor.Handles.color = Color.cyan;
+
+            if (target.FrontLeftWheel != null) {
+                var angle = target.FrontLeftWheel.transform.localEulerAngles.y;
+                var origin = target.FrontLeftWheel.transform.position;
+                UnityEditor.Handles.DrawLine(origin, origin + Quaternion.AngleAxis(angle, Vector3.up) * transform.forward);
+            }
+
+            if (target.FrontRightWheel != null) {
+                var angle = target.FrontRightWheel.transform.localEulerAngles.y;
+                var origin = target.FrontRightWheel.transform.position;
+                UnityEditor.Handles.DrawLine(origin, origin + Quaternion.AngleAxis(angle, Vector3.up) * transform.forward);
+            }
+        }
+    }
+}

Assets/Adrenak.Tork/Editor/Adrenak.Tork.Editor.asmdef

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+{
+    "name": "Adrenak.Tork.Editor",
+    "references": [
+        "Adrenak.Tork.Runtime"
+    ],
+    "optionalUnityReferences": [],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": []
+}

Assets/Adrenak.Tork/Editor/CenterOfMassAssignerDebug.cs

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+using UnityEngine;
+
+namespace Adrenak.Tork{
+    public class CenterOfMassAssignerDebug : MonoBehaviour {
+        [SerializeField] CenterOfMassAssigner target;
+
+        private void OnDrawGizmos() {
+            Gizmos.color = Color.red;
+
+            if (target.m_Point != null)
+                Gizmos.DrawSphere(target.m_Point.position, .1f);
+        }
+    }
+}

Assets/Adrenak.Tork/Editor/WheelDebug.cs

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+using UnityEngine;
+using UnityEditor;
+
+namespace Adrenak.Tork {
+    public class WheelDebug : MonoBehaviour {
+        [SerializeField] Wheel target;
+
+        void OnDrawGizmos() {
+            Handles.color = Color.yellow;
+            Handles.DrawWireDisc(transform.position, transform.right, target.radius);
+
+            Handles.color = Color.red;
+            var p1 = transform.position + transform.up * Wheel.k_RayStartHeight;
+            var p2 = transform.position - transform.up * (target.GetRayLen() - Wheel.k_RayStartHeight);
+            Handles.DrawLine(p1, p2);
+
+            var pos = transform.position + (-transform.up * (target.GetRayLen() - Wheel.k_RayStartHeight - target.CompressionDistance - target.radius));
+            Handles.DrawWireDisc(pos, transform.right, target.radius);
+        }
+    }
+}

Assets/Adrenak.Tork/LICENSE

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+MIT License
+
+Copyright (c) 2020 Vatsal Ambastha
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Assets/Adrenak.Tork/README.md

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+## Tork
+A vehicle system for Unity
+
+It is being developed for [Project Torque](https://forum.unity.com/threads/project-torque-offroad-racer-update-custom-wheel-colliders-and-physics.652135/#post-4379842). You can join its Discord server [here](https://discord.gg/bKp6VhX).
+
+## Modules
+-   `Physics`  
+    [Demo video](https://www.youtube.com/watch?v=gso45Zg_Z_Q)  
+    Semi realistic/arcade vehicle physics. Features:
+    1. Ackermann steering
+    2. Motor and brake torque differential
+    3. Anti-roll bar
+    4. Mid-air steering
+    5. Mid-air stabilization
+
+-   `AI`  
+    Currently has a simple `AIPlayer` script that approaches a destination
+-   `Effects`  
+    Coming soon
+-   `Audio`  
+    Coming soon
+
+## Docs
+Coming soon
+
+## Forks
+For a DOTS implementation check out [@PragneshRathod901's fork](https://github.com/PragneshRathod901/Tork)
+
+## Contact
+[@github](https://www.github.com/adrenak)  
+[@www](http://www.vatsalambastha.com)