adding back buildx

.gitea/workflows/master.yml

@@ -17,6 +17,13 @@ jobs:
           apt update
           apt install -y docker docker-compose
 
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+        with:
+        config-inline: |
+          [registry."git.ivanch.me"]
+
       - name: Login to Docker Hub
         uses: https://github.com/docker/login-action@v3.3.0
         with: