Add Link to FalkorDB Memory example (#29204)

- **Description:** Add Link to FalkorDB Memory example

docs/docs/integrations/providers/falkordb.mdx

@@ -24,3 +24,11 @@ See a [usage example](/docs/integrations/graphs/falkordb).
 ```python
 from langchain_community.chains.graph_qa.falkordb import FalkorDBQAChain
 ```
+
+## Memory
+
+See a [usage example](/docs/integrations/memory/falkordb_chat_message_history).
+
+```python
+from langchain_falkordb import FalkorDBChatMessageHistory
+```