add op:FRONTEND:CODE step

Author: ZHallen122

backend/src/build-system/__tests__/test.fullstack-gen.spec.ts

@@ -128,6 +128,10 @@ describe('Sequence: PRD -> UXSD -> UXSS -> UXDD -> DATABASE_REQ -> DBSchemas ->
                 'op:BACKEND:REQ',
               ],
             },
+            {
+              id: 'op:FRONTEND:CODE',
+              name: 'Frontend Code Generator Node',
+            },
           ],
         },
         // TODO: code reviewer