loongson/pypi: links for wagtail-knowledgebase

loongson/mirror wagtail-knowledgebase-1.0.tar.gz
loongson/mirror wagtail-knowledgebase-0.3.tar.gz
loongson/mirror wagtail-knowledgebase-0.2.tar.gz
loongson/mirror wagtail-knowledgebase-0.1.tar.gz