feat: CI-CD workflow for building and pushing Docker images (#2)

Reviewed-on: #2
Co-authored-by: Mirko Milovanovic <mir_ko@me.com>
Co-committed-by: Mirko Milovanovic <mir_ko@me.com>

.github/actions/setup-docker-environment/action.yml

@@ -0,0 +1,14 @@
+name: "Setup Docker Environment"
+description: "Common steps for setting up Docker build environment (checkout, QEMU, and Buildx)"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4.2.2
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3.4.0
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3.9.0