loongson/pypi: links for starlette

INFO: Because this project isn't in the mirror_whitelist, no releases from root/pypi are included.

loongson/pypi starlette-0.19.1-py3-none-any.whl
loongson/pypi starlette-0.14.2-py3-none-any.whl
loongson/pypi starlette-0.13.6-py3-none-any.whl