Added note regarding string deprecation

Author: nuxy

src/generator.ts

@@ -45,6 +45,8 @@ export async function createFiles(appConfig: AppConfig, outPath: string): Promis
 
     if (outFile) {
       const outDir: string = path.dirname(outFile);
+
+      // TODO: Remove VS Code extension pass-thru (e.g. Yes value)
       const isAsync: boolean = (appConfig.asynchronous === true || appConfig.asynchronous === 'Yes');
 
       // Select template based on type.