feat: deployment workflow for pushing images to my dockerhub atm

.github/workflows/deploy.yml

@@ -0,0 +1,49 @@
+name: Build, Push and Deploy
+
+on:
+  pull_request:
+    types: [closed]
+    branches: [ main ]
+
+  workflow_dispatch:
+    inputs:
+      question:
+        description: 'NextJS on top?'
+        required: false
+        default: 'FR'
+        type: choice
+        options:
+          - 'FR'
+          - 'FR FR'
+
+jobs:
+  build-push-deploy:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and Push Frontend
+        uses: docker/build-push-action@v6
+        with:
+          context: ./frontend
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/werkzeugkiste-frontend:latest
+
+      - name: Build and Push Backend
+        uses: docker/build-push-action@v6
+        with:
+          context: ./backend
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/werkzeugkiste-backend:latest