build: Add GitHub Actions workflow for .NET deployment

Author: hezbims

.github/workflows/main.yml

@@ -0,0 +1,45 @@
+name: Build, publish and deploy to MonsterASP.NET
+on: [push]
+
+jobs:
+  build_and_deploy:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup .NET 8
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0
+          
+      - name: Install dependencies
+        run: dotnet restore
+        
+      - name: Build
+        run: dotnet build --configuration Release --no-restore
+
+      - name: Copy appsettings
+        shell: pwsh
+        run: |
+          Copy-Item .\Inv_Backend_NET\appsettings.Local.json .\Inv_Backend_NET\appsettings.Release.json -Force
+
+      - name: Configure appsettings
+        uses: microsoft/variable-substitution@v1
+        with:
+          files: '.\Inv_Backend_NET\appsettings.Release.json'
+        env:
+          ConnectionStrings.Inventory-Db: ${{ secrets.INVENTORY_DB_CONNECTION_STRING }}
+          JwtSettings.Key: ${{ secrets.JWT_SECRET_KEY }}
+          JwtSettings.Issuer: http://hezbi-inventory-system.runasp.net
+          JwtSettings.Audience: frontend-inventory-system
+          
+      - name: Publish
+        run: dotnet publish Inv_Backend_NET/Inventory_Backend_NET.csproj -C Release --output ./publish --runtime win-x86
+
+      - name: Deploy to MonsterASP.NET via WebDeploy
+        uses: rasmusbuchholdt/simply-web-deploy@2.1.0
+        with:
+          website-name: ${{ secrets.WEBSITE_NAME }}
+          server-computer-name: ${{ secrets.SERVER_COMPUTER_NAME }}
+          server-username: ${{ secrets.SERVER_USERNAME }}
+          server-password: ${{ secrets.SERVER_PASSWORD }}