move pokemon graphics to mon-specific directories

graphics/pokemon/shroomish/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+148 148 139
+98 74 49
+148 106 49
+213 164 90
+238 197 139
+255 230 172
+255 255 213
+90 131 74
+123 172 106
+139 197 131
+164 213 148
+65 82 49
+172 197 131
+0 0 0
+0 0 0
+255 255 255

graphics/pokemon/shroomish/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+148 148 139
+123 98 74
+172 123 65
+222 189 123
+246 213 164
+255 238 189
+255 255 230
+180 65 49
+222 98 49
+255 115 74
+255 189 106
+164 49 32
+255 172 98
+0 0 0
+0 0 0
+255 255 255