Extract data from field_screen.s

Also move files incorrectly placed in interface dir

graphics/link_games/pkmnjump_venusaur.pal

@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+213 213 213
+32 98 49
+98 156 115
+90 205 148
+139 238 189
+139 57 0
+189 106 49
+16 16 16
+230 74 65
+255 131 115
+156 246 139
+222 205 49
+255 238 82
+65 164 24
+106 205 65
+255 255 255