Fixed ORM analyzer error

packages/orm/angel_orm/example/main.dart

@@ -1,6 +1,6 @@
 import 'dart:async';
 
-import 'package:angel3_migration/angel3_migration.dart';
+//import 'package:angel3_migration/angel3_migration.dart';
 import 'package:angel3_orm/angel3_orm.dart';
 import 'package:angel3_serialize/angel3_serialize.dart';
 import 'package:optional/optional.dart';

packages/orm/angel_orm/example/main.g.dart

@@ -2,30 +2,6 @@
 
 part of 'main.dart';
 
-// **************************************************************************
-// MigrationGenerator
-// **************************************************************************
-
-class EmployeeMigration extends Migration {
-  @override
-  void up(Schema schema) {
-    schema.create('employees', (table) {
-      table.serial('id').primaryKey();
-      table.timeStamp('created_at');
-      table.timeStamp('updated_at');
-      table.varChar('first_name', length: 255);
-      table.varChar('last_name', length: 255);
-      table.declareColumn(
-          'salary', Column(type: ColumnType('decimal'), length: 255));
-    });
-  }
-
-  @override
-  void down(Schema schema) {
-    schema.drop('employees');
-  }
-}
-
 // **************************************************************************
 // OrmGenerator
 // **************************************************************************

packages/orm/angel_orm/pubspec.yaml

@@ -16,6 +16,7 @@ dev_dependencies:
   angel3_model: ^3.0.0
   angel3_serialize: ^4.1.0
   angel3_serialize_generator: ^4.1.0
+  angel3_framework: ^4.2.0
   build_runner: ^2.1.1
   test: ^1.17.4
   lints: ^1.0.0