feat(q-2-scheme): 新增Q2SchemeBuilder组件和样式文件

src/page-components/scheme/q-2-scheme/Builder.tsx

@@ -0,0 +1,12 @@
+import { ScrollArea } from '../../../components/ScrollArea';
+import { SchemeContent } from '../../../models';
+import { Q2SchemeStorage } from '../../../q-2-scheme';
+
+type Q2SchemeBuilderProps = {
+  scheme: SchemeContent<Q2SchemeStorage>;
+  onBuildCompleted?: () => void;
+};
+
+export function Q2SchemeBuilder({ scheme, onBuildCompleted }: Q2SchemeBuilderProps) {
+  return <ScrollArea enableY></ScrollArea>;
+}