chore(ci): add push images to registry

.github/workflows/cache.yml

@@ -0,0 +1,31 @@
+name: Push docker image to registry
+
+"on":
+  push:
+    branches: ["main", "feat/registry-docker"]
+
+permissions:
+  contents: read
+
+env:
+  # Fix for symfony/color detection. We know GitHub Actions can handle it
+  DS_REGISTRY: "ghcr.io/jolicode/docker-starter"
+  DS_PHP_VERSION: "8.3"
+
+jobs:
+  push-images:
+    name: Push image to registry
+    runs-on: ubuntu-latest
+    env:
+      DS_PHP_VERSION: "8.3"
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.3
+          tools: castor
+
+      - name: "Build and start the infrastructure"
+        run: "castor docker:push"