Added gitea workflow files.

.gitea/workflows/docker-build.yaml

@@ -0,0 +1,19 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  compile:
+    name: Build and run the container
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          push: false