11 new trainer classes

This adds the lost RBY trainer classes and a few unused ones. No sprites because I keep messing up the alpha channels among other things. I shall simply ask Martha.

Also spruced up the readme slightly.

gfx/pics.asm

@@ -950,3 +950,15 @@ MagipreyFrontpic:     INCBIN "gfx/pokemon/magiprey/front.animated.2bpp.lz"
 MagipreyBackpic:      INCBIN "gfx/pokemon/magiprey/back.2bpp.lz"
 TerradosFrontpic:     INCBIN "gfx/pokemon/terrados/front.animated.2bpp.lz"
 TerradosBackpic:      INCBIN "gfx/pokemon/terrados/back.2bpp.lz"
+
+; RBY/unused trainer Pics
+ChannelerPic:        INCBIN "gfx/trainers/channeler.2bpp.lz"
+CueBallPic:        INCBIN "gfx/trainers/cue_ball.2bpp.lz"
+EngineerPic:        INCBIN "gfx/trainers/engineer.2bpp.lz"
+RockerPic:        INCBIN "gfx/trainers/rocker.2bpp.lz"
+TamerPic:        INCBIN "gfx/trainers/tamer.2bpp.lz"
+FirefighterPic:        INCBIN "gfx/trainers/firefighter.2bpp.lz"
+TeacherMPic:        INCBIN "gfx/trainers/teacherm.2bpp.lz"
+PainterPic:        INCBIN "gfx/trainers/painter.2bpp.lz"
+SoldierPic:        INCBIN "gfx/trainers/soldier.2bpp.lz"
+SportsmanPic:        INCBIN "gfx/trainers/sportsman.2bpp.lz"