initialize project structure with essential files and configurations from ToneGuessr

.github/workflows/deploy_docker.yml

@@ -0,0 +1,33 @@
+name: Publish Docker image
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Set up docker buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          registry: git.gnm.dev
+          username: ${{ github.actor }}
+          password: ${{ secrets.GT_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: git.gnm.dev/websiteprojects/liedkampf:main
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}