🔧 chore(langflow): add Weaviate to vectorstores and add TODO comment to fix Weaviate integration

Weaviate has been added to the list of vectorstores in the config.yaml file. A TODO comment has been added to the nodes.py file to fix the integration with Weaviate. Weaviate requires the weaviate_url to be passed as it is not part of the class or from_texts method. The add_extra_fields method needs to be fixed to include the weaviate_url parameter.

src/backend/langflow/config.yaml

@@ -109,6 +109,7 @@ utilities:
 vectorstores:
   - Chroma
   - Qdrant
+  - Weaviate
 wrappers:
   - RequestsWrapper # Wait more tests
   # - ChatPromptTemplate

src/backend/langflow/template/nodes.py

@@ -686,3 +686,6 @@ class VectorStoreFrontendNode(FrontendNode):
             field.advanced = True
             if "key" in field.name:
                 field.password = False
+
+        # TODO: Weaviate requires weaviate_url to be passed as it is not part of
+        # the class or from_texts method. We need the add_extra_fields to fix this