loongson/pypi: links for beancount-periodic

loongson/mirror beancount_periodic-0.2.1.tar.gz
loongson/mirror beancount_periodic-0.2.1-py3-none-any.whl
loongson/mirror beancount_periodic-0.2.tar.gz
loongson/mirror beancount_periodic-0.2-py3-none-any.whl
loongson/mirror beancount-periodic-0.1.3.tar.gz
loongson/mirror beancount-periodic-0.1.2.tar.gz
loongson/mirror beancount-periodic-0.1.1.tar.gz