Agregar mejoras PWA y unificar workflow a 1 job

- Agregar id único (/?app=musica), launch_handler, handle_links y url_handlers
- Unificar workflow de 2 jobs (build + deploy) a 1 solo job
- Workaround para bug de Gitea que solo ejecuta el primer job

.gitea/workflows/build.yml

@@ -5,8 +5,8 @@ on:
     branches: [ main ]
 
 jobs:
-#───────────────── build & push ─────────────────
-  build:
+#───────────────── build, push & deploy (unified) ─────────────────
+  build-and-deploy:
     runs-on: docker
     env:
       REG: gitea.nucleoriofrio.com/nucleo000
@@ -25,17 +25,6 @@ jobs:
           docker push $REG/repodructor:${{ github.sha }}
           docker push $REG/repodructor:latest
 
-#───────────────── deploy ─────────────────
-  deploy:
-    needs: build
-    runs-on: docker
-    env:
-      REG: gitea.nucleoriofrio.com/nucleo000
-    steps:
-      - uses: actions/checkout@v3
-      - name: Login to registry
-        run: docker login gitea.nucleoriofrio.com -u nucleo000 -p 7bc7b2fcd283bd6a251bef3ede368b7f897c919d
-
       - name: Info about music directory
         run: |
           echo "ℹ️  Music directory expected at: /srv/repodructor/musica"