Update logging for unmanaged widgets, and add TODO comments for other areas

Just a minor thing that is bothersome. Renaming classes and functions is a bit more of an impact than is worth right now, so have settled for littering TODO comments all over the place.

src/ScalarAuthClient.js

@@ -27,6 +27,8 @@ import SdkConfig from "./SdkConfig";
 // The version of the integration manager API we're intending to work with
 const imApiVersion = "1.1";
 
+// TODO: Generify the name of this class and all components within - it's not just for Scalar.
+
 export default class ScalarAuthClient {
     constructor(apiUrl, uiUrl) {
         this.apiUrl = apiUrl;