chore: added doc

Author: gibahjoe

.github/workflows/code_quality.yml

@@ -29,7 +29,7 @@ jobs:
 #         if: ${{ matrix.work_dir == 'openapi-generator' }}
 #         run: docker-compose -f "docker-compose.yaml" up -d --build
       - name: Setup Dart
-        uses: dart-lang/setup-dart@v1.5.0
+        uses: dart-lang/setup-dart@v1
         with:
           sdk: stable
       - name: Install Melos

openapi-generator/lib/src/models/generator_arguments.dart

@@ -51,6 +51,8 @@ class GeneratorArguments {
   final bool skipValidation;
 
   /// Write the last run placeholder to the annotated file.
+  /// This makes changes to the file containing @openapi() annotation
+  /// so that it is executed when next build runner is run
   ///
   /// Default: true
   final bool updateAnnotatedFile;