loongson/mirror: links for planet3d

loongson/mirror Planet3D-0.3.0.tar.gz
loongson/mirror Planet3D-0.3.0-py3-none-any.whl
loongson/mirror Planet3D-0.2.0.tar.gz
loongson/mirror Planet3D-0.2.0-py3-none-any.whl
loongson/mirror Planet3D-0.1.0.tar.gz
loongson/mirror Planet3D-0.1.0-py3-none-any.whl
loongson/mirror Planet3D-0.0.1.tar.gz