move pokemon graphics to mon-specific directories

graphics/pokemon/croconaw/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 205 172
+255 255 255
+131 205 255
+90 172 230
+49 131 197
+74 74 131
+230 65 32
+123 0 0
+255 172 90
+255 90 32
+205 41 24
+123 0 0
+255 230 98
+230 180 82
+156 115 8
+16 16 16

graphics/pokemon/croconaw/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 205 172
+255 255 255
+164 246 222
+115 213 205
+74 164 180
+49 106 139
+230 65 32
+123 0 0
+98 180 230
+57 98 197
+49 90 156
+32 65 106
+255 230 98
+230 180 82
+156 115 8
+16 16 16