Extract data from field_screen.s

Also move files incorrectly placed in interface dir

graphics/link_games/pkmnjump_pal1.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+156 156 197
+65 148 74
+82 180 74
+106 205 74
+255 0 255
+255 0 255
+255 0 255
+255 0 255
+255 0 255
+255 0 255
+98 98 82
+205 189 82
+255 246 82
+255 255 255
+238 172 131
+238 230 131