add warning on service registration

src/vs/workbench/browser/nodeless.main.ts

@@ -45,6 +45,11 @@ class CodeRendererMain extends Disposable {
 		const logService = new SimpleLogService();
 		serviceCollection.set(ILogService, logService);
 
+		// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+		// NOTE: DO NOT ADD ANY OTHER SERVICE INTO THE COLLECTION HERE.
+		// CONTRIBUTE IT VIA WORKBENCH.MAIN.TS AND registerSingleton().
+		// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 		return { serviceCollection, logService };
 	}
 }

src/vs/workbench/electron-browser/main.ts

@@ -168,6 +168,11 @@ class CodeRendererMain extends Disposable {
 	private initServices(): Promise<{ serviceCollection: ServiceCollection, logService: ILogService, storageService: StorageService }> {
 		const serviceCollection = new ServiceCollection();
 
+		// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+		// NOTE: DO NOT ADD ANY OTHER SERVICE INTO THE COLLECTION HERE.
+		// CONTRIBUTE IT VIA WORKBENCH.MAIN.TS AND registerSingleton().
+		// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 		// Main Process
 		const mainProcessService = this._register(new MainProcessService(this.configuration.windowId));
 		serviceCollection.set(IMainProcessService, mainProcessService);