extract comment to localizable string, fixes #4731

extensions/typescript/src/utils/projectStatus.ts

@@ -187,11 +187,11 @@ function computeLargeRoots(configFileName:string, fileNames: string[]): string[]
 }
 
 const defaultConfig = `{
-	// See https://go.microsoft.com/fwlink/?LinkId=759670
-	// for the documentation about the jsconfig.json format
+	${localize('jsconfig.heading', '// See https://go.microsoft.com/fwlink/?LinkId=759670\n\t// for the documentation about the jsconfig.json format')}
 	"compilerOptions": {
 		"target": "es6",
-		"module": "commonjs"
+		"module": "commonjs",
+		"allowSyntheticDefaultImports": true
 	},
 	"exclude": [
 		"node_modules",