loongson/pypi: links for drf-case-middleware

loongson/mirror drf-case-middleware-0.1.2.tar.gz
loongson/mirror drf_case_middleware-0.1.2-py3-none-any.whl
loongson/mirror drf-case-middleware-0.1.1.tar.gz
loongson/mirror drf_case_middleware-0.1.1-py3-none-any.whl
loongson/mirror drf-case-middleware-0.1.0.tar.gz
loongson/mirror drf_case_middleware-0.1.0-py3-none-any.whl