loongson/pypi: links for osrframework-server

loongson/mirror osrframework_server-0.18.0a4.tar.gz
loongson/mirror osrframework_server-0.18.0a3.tar.gz
loongson/mirror osrframework_server-0.18.0a2.tar.gz
loongson/mirror osrframework_server-0.18.0a1.tar.gz
loongson/mirror osrframework_server-0.18.0a0.tar.gz