Add RecursiveCharacterTextSplitter import and documentation link (#1396)

This pull request adds the import statement for
RecursiveCharacterTextSplitter and includes a documentation link for it
in the text_splitter module.

src/backend/langflow/components/textsplitters/RecursiveCharacterTextSplitter.py

@@ -4,6 +4,7 @@ from langchain_core.documents import Document
 
 from langflow import CustomComponent
 from langflow.utils.util import build_loader_repr_from_documents
+from langchain.text_splitter import RecursiveCharacterTextSplitter
 
 
 class RecursiveCharacterTextSplitterComponent(CustomComponent):
@@ -56,7 +57,6 @@ class RecursiveCharacterTextSplitterComponent(CustomComponent):
         Returns:
             list[str]: The chunks of text.
         """
-        from langchain.text_splitter import RecursiveCharacterTextSplitter
 
         if separators == "":
             separators = None

src/backend/langflow/config.yaml

@@ -174,6 +174,8 @@ prompts:
 textsplitters:
   CharacterTextSplitter:
     documentation: "https://python.langchain.com/docs/modules/data_connection/document_transformers/text_splitters/character_text_splitter"
+  RecursiveCharacterTextSplitter:
+    documentation: "https://python.langchain.com/docs/modules/data_connection/document_transformers/recursive_text_splitter"
 toolkits:
   OpenAPIToolkit:
     documentation: ""