Add workflow to update version number on release

.gitea/workflows/update-version.yml

@@ -0,0 +1,49 @@
+name: Update Plugin Version
+
+on:
+  release:
+    types: [created, edited]
+
+jobs:
+  update-version:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Get release tag
+        id: get_tag
+        run: echo "TAG=${GITEA_REF#refs/tags/}" >> $GITEA_ENV
+
+      - name: Update version in plugin file
+        run: |
+          # Replace version in main plugin file
+          sed -i "s/Version: .*/Version: ${{ env.TAG }}/" fw-store-embed.php
+          
+          # Verify change
+          grep "Version:" fw-store-embed.php
+
+      - name: Commit changes
+        run: |
+          git config --local user.email "action@gitea.com"
+          git config --local user.name "Gitea Action"
+          git add fw-store-embed.php
+          git commit -m "Update version to ${{ env.TAG }}"
+          git push
+
+      - name: Create plugin zip
+        run: |
+          mkdir -p build
+          zip -r build/fourthwall-store-embed.zip . -x ".git/*" ".gitea/*" "build/*" "*.git*"
+
+      - name: Upload zip to release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+        with:
+          upload_url: ${{ gitea.event.release.upload_url }}
+          asset_path: build/fourthwall-store-embed.zip
+          asset_name: fourthwall-store-embed.zip
+          asset_content_type: application/zip