chore: import upstream snapshot with attribution

.dev_scripts/build_docs.sh

@@ -0,0 +1,8 @@
+pip install -r requirements/docs.txt
+cd docs
+rm -rf build
+
+# update api rst
+#rm -rf source/api/
+#sphinx-apidoc --module-first -o source/api/ ../modelscope/
+make html