loongson/pypi: links for weatheralerts

loongson/mirror WeatherAlerts-0.5.0.tar.gz
loongson/mirror WeatherAlerts-0.5.0rc6.tar.gz
loongson/mirror WeatherAlerts-0.4.9.tar.gz
loongson/mirror WeatherAlerts-0.4.8.tar.gz
loongson/mirror WeatherAlerts-0.4.7.tar.gz