ci: docs

Author: zone117x

.github/workflows/docs.yml

@@ -26,6 +26,9 @@ jobs:
         with:
           dotnet-version: 8.0.x
 
+      - name: Build Project
+        run: dotnet build Secp256k1.Net/Secp256k1.Net.csproj -c Release
+
       - name: Install DocFX
         run: dotnet tool install -g docfx