Feat: Metadata in documents for improve the prompt #3690 (#4462)

### What problem does this PR solve?

Feat: Metadata in documents for improve the prompt #3690

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/interfaces/request/document.ts

@@ -10,3 +10,8 @@ export interface IChangeParserRequestBody {
   doc_id: string;
   parser_config: IChangeParserConfigRequestBody;
 }
+
+export interface IDocumentMetaRequestBody {
+  documentId: string;
+  meta: string; // json format string
+}