move pokemon graphics to mon-specific directories

graphics/pokemon/ponyta/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+230 230 230
+255 255 255
+255 246 180
+255 238 123
+255 197 82
+164 98 32
+255 0 255
+255 0 255
+255 0 255
+255 230 32
+255 156 0
+255 98 0
+238 0 0
+156 156 156
+90 90 90
+16 16 16

graphics/pokemon/ponyta/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+230 230 230
+255 255 255
+255 255 222
+255 246 189
+246 213 156
+131 98 41
+255 0 255
+255 0 255
+255 0 255
+222 238 246
+98 172 255
+57 131 255
+16 90 213
+156 156 156
+90 90 90
+16 16 16