loongson/mirror: links for decord3

loongson/mirror decord3-0.0.6.tar.gz
loongson/mirror decord3-0.0.5.tar.gz
loongson/mirror decord3-0.0.4.tar.gz
loongson/mirror decord3-0.0.3.tar.gz
loongson/mirror decord3-0.0.2.tar.gz
loongson/mirror decord3-0.0.1.tar.gz