ci: Set up Docker build in dev workflow

.github/workflows/dev.yml

@@ -0,0 +1,15 @@
+name: Dev
+on:
+  push:
+jobs:
+  build_docker:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v1
+      - uses: docker/build-push-action@v2
+        with:
+          context: .
+          cache-from: type=gha
+          cache-to: type=gha,mode=max