added deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,30 @@
+name: Build and Deploy to Docker Hub
+
+on:
+    push:
+        branches:
+            - main
+
+jobs:
+    build-and-push:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout repo
+              uses: actions/checkout@v2
+
+            - name: Login to Docker Hub
+              uses: docker/login-action@v1
+              with:
+                    username: ${{ secrets.DOCKER_USERNAME }}
+                    password: ${{ secrets.DOCKER_PASSWORD }}
+
+            - name: Build and Push Docker image
+              uses: docker/build-push-action@v2
+              with:
+                context: .
+                file: ./Dockerfile
+                push: true
+                tags: ducheharsh/thewallet:latest
+
+            - name: Verify Pushed Image
+              run: docker pull ducheharsh/thewallet:latest