feat: Added release workflow

.github/workflows/release.yml

@@ -0,0 +1,60 @@
+name: "Release new version"
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  prerelease:
+    if: "${{ github.event.head_commit.message != 'chore: storing version and changelog' }}"
+    name: Preparing release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.DEPLOYMENT_TOKEN }}
+      - name: Calculate version
+        id: calculate_version
+        uses: mathieudutour/github-tag-action@v5.5
+        with:
+          tag_prefix: ""
+          github_token: ${{ secrets.DEPLOYMENT_TOKEN }}
+          dry_run: true
+      - name: "Write changelog"
+        run: |
+          CHANGELOG=""
+          if [ -e CHANGELOG.md ]
+          then
+              CHANGELOG=$(cat CHANGELOG.md)
+          fi
+          echo -e "${{steps.calculate_version.outputs.changelog}}\n\n${CHANGELOG}" > CHANGELOG.md
+      - name: "Commit"
+        uses: EndBug/add-and-commit@v7.2.1
+        with:
+          message: "chore: storing version and changelog"
+          push: true
+  release:
+    if: "${{ github.event.head_commit.message == 'chore: storing version and changelog' }}"
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.DEPLOYMENT_TOKEN }}
+      - name: Create version
+        id: create_version
+        uses: mathieudutour/github-tag-action@v5.5
+        with:
+          tag_prefix: ""
+          github_token: ${{ secrets.DEPLOYMENT_TOKEN }}
+      - name: Create a GitHub release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.DEPLOYMENT_TOKEN }}
+        with:
+          tag_name: ${{ steps.create_version.outputs.new_tag }}
+          release_name: ${{ steps.create_version.outputs.new_tag }}
+          body: ${{ steps.create_version.outputs.changelog }}