Extract data from field_screen.s

Also move files incorrectly placed in interface dir

graphics/wonder_transfers/wonder_card_7.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+189 123 148
+213 213 213
+74 74 74
+115 123 123
+164 156 90
+164 148 90
+197 197 90
+213 205 90
+222 213 90
+213 213 106
+238 246 98
+230 222 98
+213 205 98
+197 180 98
+238 230 98
+246 238 106