Create docker.yaml

.github/workflows/docker.yaml

@@ -0,0 +1,14 @@
+name: docker
+on: [push]
+jobs:
+  build-docker:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - uses: macbre/push-to-ghcr@master
+        with:
+          image_name: ${{ github.repository }}  # it will be lowercased internally
+          github_token: ${{ secrets.GITHUB_TOKEN }}