ci: ajout job release — build multi-arch + release auto sur tag

Build sur tags v*: linux x86_64, linux arm64, windows x86_64.
Release Gitea créée automatiquement avec les 3 binaires attachés.

.gitea/workflows/ci.yml

@@ -3,6 +3,7 @@ name: CI
 on:
   push:
     branches: [main]
+    tags: ['v*']
   pull_request:
     branches: [main]
 
@@ -29,3 +30,52 @@ jobs:
         run: |
           ./ntfy-bridge --version
           ./ntfy-bridge --help
+
+  release:
+    runs-on: ubuntu-latest
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs: test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install V
+        run: |
+          git clone --depth 1 https://github.com/vlang/v /opt/v
+          cd /opt/v && make
+          ln -s /opt/v/v /usr/local/bin/v
+
+      - name: Build Linux x86_64
+        run: v -prod -os linux -arch amd64 -o build/ntfy-bridge-linux-x86_64 .
+
+      - name: Build Linux arm64 (Raspberry Pi)
+        run: v -prod -os linux -arch arm64 -o build/ntfy-bridge-linux-arm64 .
+
+      - name: Build Windows x86_64
+        run: v -prod -os windows -arch amd64 -o build/ntfy-bridge-windows-x86_64.exe .
+
+      - name: Create Gitea Release
+        uses: https://gitea.com/actions/release-action@v1
+        with:
+          files: |
+            build/ntfy-bridge-linux-x86_64
+            build/ntfy-bridge-linux-arm64
+            build/ntfy-bridge-windows-x86_64.exe
+          body: |
+            ## ntfy-bridge ${GITHUB_REF##*/}
+
+            Binaires statiques prêts à l'emploi — zéro dépendance.
+
+            ### Téléchargements
+            - **Linux x86_64** : `ntfy-bridge-linux-x86_64`
+            - **Linux arm64** (Raspberry Pi) : `ntfy-bridge-linux-arm64`
+            - **Windows x86_64** : `ntfy-bridge-windows-x86_64.exe`
+
+            ### Installation
+            ```bash
+            chmod +x ntfy-bridge-linux-x86_64
+            sudo mv ntfy-bridge-linux-x86_64 /usr/local/bin/ntfy-bridge
+            ntfy-bridge --install-service
+            ```
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}