feat: send question with retrieval api #2247 (#2272)

### What problem does this PR solve?
feat: send question with retrieval api #2247

### Type of change


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

web/src/interfaces/database/knowledge.ts

@@ -98,6 +98,7 @@ export interface ITestingChunk {
   term_similarity: number;
   vector: number[];
   vector_similarity: number;
+  highlight: string;
 }
 
 export interface ITestingDocument {

web/src/interfaces/request/chat.ts

@@ -3,3 +3,8 @@ export interface IFeedbackRequestBody {
   thumbup?: boolean;
   feedback?: string;
 }
+
+export interface IAskRequestBody {
+  questionkb_ids: string;
+  kb_ids: string[];
+}