add automatic tagging to releases

Author: András Kurai

.github/workflows/publish.yml

@@ -0,0 +1,19 @@
+name: Publish
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Publish LinkerGenerator to openupm
+        uses: butlerlogic/action-autotag@stable
+        with:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+          root: "UnityResourceGenerator/Assets/AutSoft.UnityResourceGenerator"