loongson/pypi: links for scrapy-aiohttp-downloader

loongson/mirror scrapy_aiohttp_downloader-1.0.0b2.tar.gz
loongson/mirror scrapy_aiohttp_downloader-1.0.0b2-py3-none-any.whl
loongson/mirror scrapy-aiohttp-downloader-1.0.0b1.tar.gz
loongson/mirror scrapy_aiohttp_downloader-1.0.0b1-py3-none-any.whl