loongson/pypi: links for pyxel-server

loongson/mirror pyxel_server-0.0.3.1.tar.gz
loongson/mirror pyxel_server-0.0.3.1-py3-none-any.whl
loongson/mirror pyxel_server-0.0.2.tar.gz
loongson/mirror pyxel_server-0.0.2-py3-none-any.whl
loongson/mirror pyxel_server-0.0.1.tar.gz
loongson/mirror pyxel_server-0.0.1-py3-none-any.whl