loongson/pypi: links for plover-vcs-plugin

loongson/mirror plover-vcs-plugin-0.1.6.tar.gz
loongson/mirror plover_vcs_plugin-0.1.6-py3.6.egg
loongson/mirror plover_vcs_plugin-0.1.6-py3-none-any.whl
loongson/mirror plover-vcs-plugin-0.1.5.tar.gz
loongson/mirror plover_vcs_plugin-0.1.5-py3-none-any.whl