loongson/pypi: links for dash-collapsible-tree

loongson/mirror dash_collapsible_tree-0.0.7.tar.gz
loongson/mirror dash_collapsible_tree-0.0.6.tar.gz
loongson/mirror dash_collapsible_tree-0.0.5.tar.gz
loongson/mirror dash_collapsible_tree-0.0.4.tar.gz
loongson/mirror dash_collapsible_tree-0.0.3.tar.gz
loongson/mirror dash_collapsible_tree-0.0.2.tar.gz
loongson/mirror dash_collapsible_tree-0.0.1.tar.gz