move pokemon graphics to mon-specific directories

graphics/pokemon/treecko/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+123 106 156
+255 213 123
+255 197 82
+230 156 74
+74 189 131
+255 106 82
+213 82 57
+164 74 49
+24 65 57
+74 139 90
+255 255 255
+189 255 115
+156 213 74
+115 172 49
+82 98 41
+16 16 16

graphics/pokemon/treecko/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+123 106 156
+255 213 123
+255 197 82
+230 156 74
+255 106 82
+255 238 197
+238 189 156
+205 156 123
+156 65 41
+213 82 57
+255 255 255
+172 230 238
+148 205 213
+74 164 148
+82 139 131
+16 16 16