Automate release process (#1852)

.github/workflows/release.yml

@@ -0,0 +1,15 @@
+name: release
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          body: Check CHANGELOG.md for details