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

镜像来自 https://github.com/freedoom/attic

Georgy Samoilov e3ace68fa1 Take out the unrelated stuff, commit and squash		4 月之前
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lava	3dac732903 Add map07, map27, first versions of monsters, CREDITS-LEVELS	5 月之前
misc_flats	a6e465a7e9 Reorganize everything	6 月之前
flat5_7.gif	e3ace68fa1 Take out the unrelated stuff, commit and squash	4 月之前
flat5_8.gif	e3ace68fa1 Take out the unrelated stuff, commit and squash	4 月之前