- Added build configurations

- Configured csprojects
- CopyLibs functionality in builder

Tools/Nerfed.Builder/Nerfed.Builder.runtimeconfig.json

@@ -6,6 +6,7 @@
       "version": "8.0.0"
     },
     "configProperties": {
+      "System.Reflection.Metadata.MetadataUpdater.IsSupported": false,
       "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization": false
     }
   }