loongson/pypi: links for langagent

loongson/mirror langagent-3.3.9.tar.gz
loongson/mirror langagent-2.1.6.tar.gz
loongson/mirror langagent-2.1.5.tar.gz
loongson/mirror langagent-2.1.4.tar.gz
loongson/mirror langagent-2.1.3.tar.gz
loongson/mirror langagent-2.1.2.tar.gz
loongson/mirror LangAgent-2.1.1.tar.gz
loongson/mirror LangAgent-0.3.1.tar.gz
loongson/mirror LangAgent-0.3.0.tar.gz
loongson/mirror LangAgent-0.2.0.tar.gz
loongson/mirror LangAgent-0.1.0.tar.gz