Support downloading models from ModelScope Community. (#5073)

This PR supports downloading models from ModelScope. The main
modifications are as follows:
-New Feature (non-breaking change which adds functionality)
-Documentation Update

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

conf/llm_factories.json

@@ -295,6 +295,13 @@
             "status": "1",
             "llm": []
         },
+        {
+            "name": "ModelScope",
+            "logo": "",
+            "tags": "LLM",
+            "status": "1",
+            "llm": []
+        },
         {
             "name": "LocalAI",
             "logo": "",