loongson/mirror: links for scrapy-html-storage

loongson/mirror scrapy-html-storage-0.4.0.tar.gz
loongson/mirror scrapy-html-storage-0.3.0.tar.gz
loongson/mirror scrapy-html-storage-0.2.0.tar.gz
loongson/mirror scrapy-html-storage-0.1.0.tar.gz