feat(gitea): add workflow_dispatch tag

.gitea/workflows/build.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:
 
 jobs:
   build:
@@ -16,6 +17,11 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Check secrets
+        run: |
+          echo "Username: ${{ secrets.REGISTRY_USERNAME }}"
+          echo "Password: ${{ secrets.REGISTRY_PASSWORD }}"
+
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3
         with: