feat: Add IndentedTree #162 (#1792)

### What problem does this PR solve?

feat: Add IndentedTree #162

### Type of change


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

web/src/pages/add-knowledge/components/knowledge-chunk/index.tsx

@@ -195,7 +195,7 @@ const Chunk = () => {
           onOk={onChunkUpdatingOk}
         />
       )}
-      {false && <KnowledgeGraphModal></KnowledgeGraphModal>}
+      <KnowledgeGraphModal></KnowledgeGraphModal>
     </>
   );
 };