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

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

web/src/assets/svg/llm/modelscope.svg

@@ -0,0 +1 @@
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