Add a dedicated GQL server for metadata available on /meta (#1820)

server/src/metadata/entity-schema-generator/entity-schema-generator.module.ts

@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common';
+
+import { ObjectMetadataModule } from 'src/metadata/object-metadata/object-metadata.module';
+
+import { EntitySchemaGeneratorService } from './entity-schema-generator.service';
+
+@Module({
+  imports: [ObjectMetadataModule],
+  providers: [EntitySchemaGeneratorService],
+  exports: [EntitySchemaGeneratorService],
+})
+export class EntitySchemaGeneratorModule {}