move pokemon graphics to mon-specific directories

graphics/pokemon/tangela/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+213 213 189
+172 222 246
+131 189 213
+65 123 148
+32 65 82
+255 131 131
+222 90 90
+148 41 41
+255 0 255
+255 0 255
+255 0 255
+255 0 255
+180 180 180
+82 82 82
+16 16 16
+255 255 255