loongson/pypi: links for cmsplugin-iframe

loongson/mirror cmsplugin-iframe-0.1.5.tar.gz
loongson/mirror cmsplugin-iframe-0.1.3.tar.gz
loongson/mirror cmsplugin-iframe-0.1.2.tar.gz
loongson/mirror cmsplugin-iframe-0.1.1.tar.gz
loongson/mirror cmsplugin-iframe-0.1.0.tar.gz