♻️ Renaming core files for better grouping

Author: andersstorhaug

Lite3DotNet.Generators/Lite3ApiGenerator.cs

@@ -133,7 +133,7 @@ public void Initialize(IncrementalGeneratorInitializationContext initialization)
                 primarySource.AppendLine("}");
                 contextSource.AppendLine("}");
 
-                context.AddSource($"Lite3DotNet.g.cs", primarySource.ToString());
+                context.AddSource($"Lite3.g.cs", primarySource.ToString());
                 context.AddSource($"Lite3ContextExtensions.g.cs", contextSource.ToString());
             }
         );