Add custom KG insertion

README.md

@@ -26,6 +26,7 @@ This repository hosts the code of LightRAG. The structure of this code is based
 </div>
 
 ## 🎉 News
+- [x] [2024.11.25]🎯📢LightRAG now supports [custom KG insertion](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#insert-custom-kg).
 - [x] [2024.11.19]🎯📢A comprehensive guide to LightRAG is now available on [LearnOpenCV](https://learnopencv.com/lightrag). Many thanks to the blog author!
 - [x] [2024.11.12]🎯📢LightRAG now supports [Oracle Database 23ai for all storage types (KV, vector, and graph)](https://github.com/HKUDS/LightRAG/blob/main/examples/lightrag_oracle_demo.py).
 - [x] [2024.11.11]🎯📢LightRAG now supports [deleting entities by their names](https://github.com/HKUDS/LightRAG?tab=readme-ov-file#delete-entity).
@@ -327,6 +328,49 @@ with open("./newText.txt") as f:
     rag.insert(f.read())
 ```
 
+### Insert Custom KG
+
+```python
+rag = LightRAG(
+     working_dir=WORKING_DIR,
+     llm_model_func=llm_model_func,
+     embedding_func=EmbeddingFunc(
+          embedding_dim=embedding_dimension,
+          max_token_size=8192,
+          func=embedding_func,
+     ),
+)
+
+custom_kg = {
+    "entities": [
+        {
+            "entity_name": "CompanyA",
+            "entity_type": "Organization",
+            "description": "A major technology company",
+            "source_id": "Source1"
+        },
+        {
+            "entity_name": "ProductX",
+            "entity_type": "Product",
+            "description": "A popular product developed by CompanyA",
+            "source_id": "Source1"
+        }
+    ],
+    "relationships": [
+        {
+            "src_id": "CompanyA",
+            "tgt_id": "ProductX",
+            "description": "CompanyA develops ProductX",
+            "keywords": "develop, produce",
+            "weight": 1.0,
+            "source_id": "Source1"
+        }
+    ]
+}
+
+rag.insert_custom_kg(custom_kg)
+```
+
 ### Delete Entity
 
 ```python