freedoom/attic: Old Freedoom resources never die, they just get put in the attic

镜像自地址 https://github.com/freedoom/attic

Georgy Samoilov c4bdd3e3d9 Add some missing tracks		5 月之前
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d_introa.mid	c4bdd3e3d9 Add some missing tracks	5 月之前