Added a release workflow, creating GH releases from tags

frontend/.github/workflows/release_changelog.yml

@@ -0,0 +1,26 @@
+name: 'Releases'
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  release:
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build changelog
+        id: github_release
+        uses: metcalfc/changelog-generator@v0.4.4
+        with:
+          myToken: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create release
+        uses: actions/create-release@v1
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          body: ${{ steps.github_release.outputs.changelog }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN}}