Added docker build action

.gitea/workflows/docker_build.yaml

@@ -0,0 +1,34 @@
+name: Build Docker images
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  acls:
+    runs-on: ubuntu-latest
+
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Login to Gitea Container Hub
+        uses: docker/login-action@v3
+        with:
+          registry: git.remilia.ch
+          username: ${{ vars.HUB_USERNAME }}
+          password: ${{ secrets.HUB_TOKEN }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: git.remilia.ch/remilia/kakigoori:latest