move pokemon graphics to mon-specific directories

graphics/pokemon/swellow/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+131 172 98
+41 49 90
+65 82 123
+90 106 172
+123 139 205
+123 90 90
+148 148 148
+205 213 213
+255 255 255
+197 49 49
+230 106 98
+255 148 139
+230 172 74
+255 238 82
+131 57 82
+0 0 0

graphics/pokemon/swellow/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+131 172 98
+16 82 57
+49 148 98
+90 172 148
+148 213 205
+123 90 90
+148 148 148
+205 213 213
+255 255 255
+213 123 16
+246 180 57
+255 197 115
+230 189 74
+255 238 82
+131 57 82
+0 0 0