move pokemon graphics to mon-specific directories

graphics/pokemon/spinarak/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 205 172
+255 255 255
+205 255 115
+148 230 65
+98 189 32
+82 123 41
+49 82 16
+255 255 90
+180 164 49
+148 123 49
+255 156 82
+238 49 0
+148 49 0
+189 189 189
+123 123 123
+16 16 16

graphics/pokemon/spinarak/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+205 205 172
+255 255 255
+180 213 222
+139 172 189
+82 106 156
+57 74 90
+32 49 74
+230 172 205
+172 90 123
+106 65 82
+255 156 82
+238 49 0
+148 49 0
+189 189 189
+123 123 123
+16 16 16