Add functionality to resolve Litho Components / Sections

Summary:
Few cases to consider:
- SomeComponent.* might correspond to SomeComponentSpec.java
- SomeComponent.* might correspond to SomeComponentSpec.kt
- SomeComponent.* might not have a corresponding Spec file
- SomeComponent.kt (if it's a KComponent) corresponds to SomeComponent.kt

Reviewed By: adityasharat

Differential Revision: D23100032

fbshipit-source-id: f0604f3d1061f0e15fa2f455bdddd4d07ac12305

desktop/app/src/fb-stubs/IDEFileResolver.tsx

@@ -31,6 +31,10 @@ export abstract class IDEFileResolver {
     throw new Error('Method not implemented.');
   }
 
+  static async getLithoComponentPath(_className: string): Promise<string> {
+    throw new Error('Method not implemented.');
+  }
+
   static getBestPath(
     _paths: string[],
     _className: string,