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

miroir de https://github.com/freedoom/attic

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