feat: add workflow to automate release

.github/workflows/release.yml

@@ -0,0 +1,31 @@
+name: Release
+
+on:
+  push:
+    branches: [automate-release]
+#   pull_request:
+#     branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: creates release
+        run: sh ./spec/release.s
+      - name: Put current date into a variable
+        run: |
+          $NOW=& Get-Date -format yyyyMMdd
+          echo "NOW=$NOW" >> $env:GITHUB_ENV
+      - name: Pushes to another repository
+        uses: cpina/github-action-push-to-another-repository@main
+        env:
+          SSH_DEPLOY_KEY: ${{ secrets.SSH_DEPLOY_KEY }}
+        with:
+          source-directory: "spec/release"
+          destination-github-username: "wbcsd"
+          destination-repository-name: "tr"
+          user-email:
+          target-directory: ./temp/${{env.NOW}}
+          target-branch: automated-release-test
+          create-target-branch-if-needed: true

spec/release.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+cd spec/v2
+pip3 install bikeshed && bikeshed update
+make
+mkdir -p ../release/diagrams
+
+for i in diagrams/*.svg; do
+    cp $i ../release/diagrams/
+done
+
+cp index.html ../release/