✨ feat(base.py): add support for creating SQLDatabaseChain from LLM

📝 docs(base.py): update documentation for ChainCreator class

src/backend/langflow/interface/chains/base.py

@@ -23,6 +23,7 @@ class ChainCreator(LangChainTypeCreator):
     from_method_nodes = {
         "ConversationalRetrievalChain": "from_llm",
         "LLMCheckerChain": "from_llm",
+        "SQLDatabaseChain": "from_llm",
     }
 
     @property