fix: add release-on-tag github workflow file

Author: joehacksalot

.github/workflows/release-on-tag.yml

@@ -0,0 +1,49 @@
+name: Release static site on tag
+
+on:
+  push:
+    tags:
+      - "*"
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.1'
+          bundler-cache: true
+
+      - name: Build with Jekyll
+        env:
+          JEKYLL_ENV: production
+        run: |
+          bundle exec jekyll build
+
+      - name: Archive site
+        run: |
+          cd _site
+          zip -r ../site-static-${{ github.ref_name }}.zip .
+
+      - name: Create GitHub Release
+        id: create_release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.ref_name }}
+          name: Release ${{ github.ref_name }}
+          body: |
+            Automated release for tag ${{ github.ref_name }}.
+            Contains the static site generated by Jekyll from this commit.
+          draft: false
+          prerelease: false
+          files: |
+            site-static-${{ github.ref_name }}.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}