loongson/pypi: links for cmsplugin-search

loongson/mirror cmsplugin-search-0.8.0.tar.gz
loongson/mirror cmsplugin-search-0.7.3.tar.gz
loongson/mirror cmsplugin-search-0.7.2.tar.gz
loongson/mirror cmsplugin-search-0.7.1.tar.gz
loongson/mirror cmsplugin-search-0.6.5.tar.gz