Treat index id as auto-generated field (#27)

* Treat index id as auto-generated field

* fix Can't create index: KeyError: 'embedding' #28

* udpate docs

* Update requirement

* Use lighter default local embedding model

---------

Co-authored-by: ian <ian@cinnamon.is>

libs/ktem/flowsettings.py

@@ -119,10 +119,10 @@ if config("LOCAL_MODEL", default=""):
         }
 
 if len(KH_EMBEDDINGS) < 1:
-    KH_EMBEDDINGS["local-mxbai-large-v1"] = {
+    KH_EMBEDDINGS["local-bge-base-en-v1.5"] = {
         "spec": {
             "__type__": "kotaemon.embeddings.FastEmbedEmbeddings",
-            "model_name": "mixedbread-ai/mxbai-embed-large-v1",
+            "model_name": "BAAI/bge-base-en-v1.5",
         },
         "default": True,
     }
@@ -164,7 +164,6 @@ SETTINGS_REASONING = {
 KH_INDEX_TYPES = ["ktem.index.file.FileIndex"]
 KH_INDICES = [
     {
-        "id": 1,
         "name": "File",
         "config": {},
         "index_type": "ktem.index.file.FileIndex",