(FEAT): Created workflow.

This should work, pretty simple, just building and pushing to Dockerhub.
The server will handle listening and watching for docker changes.

.github/workflows/deploy.yml

@@ -0,0 +1,28 @@
+name: Deploy application with Docker
+
+on: 
+  push:
+    branches:
+      - master
+
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: azpect3120/option.gophernest:latest