loongson/mirror: links for alex-lexer

loongson/mirror alex_lexer-0.1.6.tar.gz
loongson/mirror alex_lexer-0.1.6-py3-none-any.whl
loongson/mirror alex_lexer-0.1.5.tar.gz
loongson/mirror alex_lexer-0.1.5-py3-none-any.whl