chore: adding deployment pipelines

.github/workflows/build-docker-image.yml

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+name: Build Docker image
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build:
+    name: Build docker image
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build the Docker image
+        run: docker build . --file Dockerfile

.github/workflows/deploy-to-heroku.yml

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+name: Deploy to Heroku
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Deploy to Heroku
+        uses: akhileshns/[email protected]
+        with:
+          heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
+          heroku_app_name: ${{ secrets.HEROKU_APP_NAME }}
+          heroku_email: ${{ secrets.EMAIL }}

.github/workflows/publish-to-dockerhub.yml

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+name: Publish to Dockerhub
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    name: Build and Publish docker image to dockerhub
+    permissions:
+      contents: write
+      pull-requests: write
+      packages: read
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Login to Dockerhub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Build and publish Docker image
+        run: |
+          docker buildx build --platform linux/amd64,linux/arm64/v8 -t daithihearn/cards-110-api:latest -t daithihearn/cards-110-api:${{ github.ref_name }} --push .