CI: Fix GitHub Actions pipeline - Add NuGet preview feeds for OrchardCore packages

Author: MPCoreDeveloper

.github/workflows/ci.yml

@@ -29,6 +29,12 @@ jobs:
       uses: actions/setup-dotnet@v4
       with:
         dotnet-version: ${{ env.DOTNET_VERSION }}
+    
+    - name: Configure NuGet feeds for previews
+      run: |
+        dotnet nuget add source https://api.nuget.org/v3/index.json --name nuget.org
+        dotnet nuget add source https://myget.org/F/orchardcore-preview/api/v3/index.json --name orchardcore-preview --configfile NuGet.Config || true
+      shell: bash
 
     - name: Restore dependencies
       run: dotnet restore SharpCoreDB.CI.slnf

NuGet.Config

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <!-- Official NuGet feed -->
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+    
+    <!-- OrchardCore Preview feed for preview packages -->
+    <add key="orchardcore-preview" value="https://myget.org/F/orchardcore-preview/api/v3/index.json" />
+    
+    <!-- OrchardCore nightly feed (fallback) -->
+    <add key="orchardcore-nightly" value="https://myget.org/F/orchardcore-nightly/api/v3/index.json" />
+  </packageSources>
+  
+  <packageSourceCredentials>
+    <!-- Add credentials here if needed for private feeds -->
+  </packageSourceCredentials>
+  
+  <!-- Disable default sources if needed -->
+  <disabledPackageSources>
+  </disabledPackageSources>
+  
+  <!-- Trust settings for feeds -->
+  <trustedSigners>
+    <author name="Microsoft">
+      <certificate fingerprint="0E5F38F57606B652F25B13BF63D56AC13127D08C" hashAlgorithm="SHA256" />
+    </author>
+  </trustedSigners>
+</configuration>