move pokemon graphics to mon-specific directories

graphics/pokemon/nuzleaf/normal.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+49 148 246
+74 57 65
+205 205 238
+255 255 255
+123 148 82
+180 205 131
+230 238 180
+156 123 156
+205 156 98
+230 197 148
+98 197 131
+148 238 131
+65 115 57
+106 82 98
+0 0 0
+24 24 24

graphics/pokemon/nuzleaf/shiny.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+180 213 156
+74 57 65
+205 205 238
+255 255 255
+180 65 49
+222 98 49
+255 123 82
+115 90 90
+156 123 123
+189 164 156
+98 197 131
+148 238 131
+65 115 57
+106 82 98
+0 0 0
+24 24 24