chore: publish package to github packages

Use github actions to publish package.
Package is published when a commit is tagged with v*,
i.e. v1.0.0

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+name: Build maven
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release to Github Packages
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Get the version
+        id: get_version
+        run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\/v/}
+      - name: Deploy to Github Package Registry
+        env:
+          GITHUB_USERNAME: x-access-token
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run:
+          mvn --settings settings.xml -Drevision=${{ steps.get_version.outputs.VERSION }} deploy

.gitignore

@@ -61,3 +61,5 @@ nbdist/
 # End of https://www.gitignore.io/api/java,maven,netbeans
 /bin/
 src/main/java/neqsim/util/database/NeqSimDataBase2.java
+
+neqsim.iml