loongson/pypi: links for rlgym-rocket-league

loongson/mirror rlgym-rocket-league-2.0.1.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0rc0.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0a3.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0a2.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0a1.tar.gz
loongson/mirror rlgym-rocket-league-2.0.0a0.tar.gz