Search in Docs to UI (#1186)

Move from Context Chunks JSON response to a more comprehensive Search in Docs functionality

docs/description.md

@@ -348,25 +348,24 @@ computations.
 
 Gradio UI is a ready to use way of testing most of PrivateGPT API functionalities.
 
-![Gradio PrivateGPT](https://lh3.googleusercontent.com/drive-viewer/AK7aPaBTlIX9j5nsQ87XvcRgf3vhv6UG6pgy4j4IH5mYIo6dHcfJ5IUMiVHoqyQwjTnjRITxYTQ3TcF3pfPXyyWB3HS8hKMWDA=s1600)
+![Gradio PrivateGPT](https://lh3.googleusercontent.com/drive-viewer/AK7aPaD_Hc-A8A9ooMe-hPgm_eImgsbxAjb__8nFYj8b_WwzvL1Gy90oAnp1DfhPaN6yGiEHCOXs0r77W1bYHtPzlVwbV7fMsA=s1600)
 
 ### Execution Modes
 
 It has 3 modes of execution (you can select in the top-left):
 
-* Query Documents: uses the context from the
+* Query Docs: uses the context from the
   ingested documents to answer the questions posted in the chat. It also takes
   into account previous chat messages as context.
     * Makes use of `/chat/completions` API with `use_context=true` and no
       `context_filter`.
+* Search in Docs: fast search that returns the 4 most related text
+  chunks, together with their source document and page.
+    * Makes use of `/chunks` API with no `context_filter`, `limit=4` and
+      `prev_next_chunks=0`.
 * LLM Chat: simple, non-contextual chat with the LLM. The ingested documents won't
   be taken into account, only the previous messages.
     * Makes use of `/chat/completions` API with `use_context=false`.
-* Context Chunks: returns the JSON representation of the 2 most related text
-  chunks, together with their metadata, source document and previous and next
-  chunks.
-    * Makes use of `/chunks` API with no `context_filter`, `limit=2` and
-      `prev_next_chunks=1`.
 
 ### Document Ingestion