loongson/pypi: links for gulp-metadata-modifier

loongson/mirror gulp_metadata_modifier-0.0.5.tar.gz
loongson/mirror gulp_metadata_modifier-0.0.4.tar.gz
loongson/mirror gulp_metadata_modifier-0.0.3.tar.gz
loongson/mirror gulp_metadata_modifier-0.0.2.tar.gz
loongson/mirror gulp_metadata_modifier-0.0.1.tar.gz