update docs. remove csv from approved rag file types

docs/docs/using_rubra/assistants.md

@@ -27,7 +27,14 @@ To create a new assistant, click on the "Create New Assistant" button. This will
 You can also enable additional tools for your assistant:
 
 - **Browser**: Enable this to allow your assistant search and open links.
-- **Knowledge**: You can upload files here. If you do, conversations with your assistant may include file contents. Files can be downloaded when Code Interpreter is enabled. This feature uses automated Retrieval-Augmented Generation (RAG) to enhance the assistant's responses with information from the uploaded files.
+- **Knowledge**: You can upload files here. If you do, conversations with your assistant may include file contents. This feature uses automated Retrieval-Augmented Generation (RAG) to enhance the assistant's responses with information from the uploaded files. Limited to the following file types:
+  - `.pdf`  
+  - `.json`
+  - `.txt`
+  - `.md`
+  - `.html`
+  - `.log`
+  - `.rtf`
 
 Once you have filled in all the details, click on "Create Assistant" to create your assistant. You will be able to chat with this assistant in Rubra chat.
 

services/frontend/ui/app/pages/2_🤖_Explore_Assistants.py

@@ -144,7 +144,7 @@ def main():
             uploaded_files = st.file_uploader(
                 "Knowledge",
                 accept_multiple_files=True,
-                type=[".pdf", ".txt", ".json", ".csv", ".md", ".html", ".log", ".rtf"],
+                type=[".pdf", ".txt", ".json", ".md", ".html", ".log", ".rtf"],
                 help="If you upload files for knowledge retrieval, conversations with your Assistant may include file contents. Upon Assistant creation, the file contents will be indexed for retrieval - this may take a moment.",
             )