Add a GitHub Actions workflow for building and deploying a Node.js app to Azur

.deployment

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+[config]
+SCM_DO_BUILD_DURING_DEPLOYMENT=true

.github/workflows/main_subtracker.yml

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+# Docs for the Azure Web Apps Deploy action: https://github.com/Azure/webapps-deploy
+# More GitHub Actions for Azure: https://github.com/Azure/actions
+
+name: Build and deploy Node.js app to Azure Web App - subtracker
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Node.js version
+        uses: actions/setup-node@v3
+        with:
+          node-version: "18.x"
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build the app
+        run: npm run build
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: node-app
+          path: dist/
+
+  deploy:
+    runs-on: ubuntu-latest
+    needs: build
+    environment:
+      name: "Production"
+      url: ${{ steps.deploy-to-webapp.outputs.webapp-url }}
+
+    steps:
+      - name: Download artifact from build job
+        uses: actions/download-artifact@v4
+        with:
+          name: node-app
+          path: dist
+
+      - name: "Deploy to Azure Web App"
+        id: deploy-to-webapp
+        uses: azure/webapps-deploy@v3
+        with:
+          app-name: "subtracker"
+          package: dist/
+          publish-profile: ${{ secrets.AZUREAPPSERVICE_PUBLISHPROFILE_31F85007BEBA4D3482D09536C58FE53C }}

README.md

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-"# SubTracker" 
+![image](https://github.com/user-attachments/assets/4b9afa60-412f-4547-9d04-ec582ac0fcb3)