move pokemon graphics to mon-specific directories

graphics/pokemon/butterfree/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 164 123
+255 255 255
+16 16 16
+255 0 255
+180 180 197
+123 123 156
+82 82 115
+65 65 90
+255 197 106
+255 123 82
+213 90 41
+148 32 16
+230 230 230
+197 197 197
+156 205 197
+90 180 139

graphics/pokemon/butterfree/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 205 172
+255 255 255
+16 16 16
+255 0 255
+189 189 205
+123 123 156
+90 90 123
+65 65 90
+164 255 98
+123 222 57
+82 180 16
+16 98 0
+255 197 205
+255 115 123
+255 189 197
+255 139 148