move tilesets to match pokeruby

data/tilesets/secondary/mauville/palettes/12.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+0 0 0
+255 255 255
+222 230 238
+164 180 197
+123 123 131
+90 90 115
+65 74 106
+0 0 0
+0 0 0
+255 255 197
+238 238 98
+197 246 230
+148 222 205
+98 197 180
+74 148 131
+49 106 90