Implement Hunter-seeker support power.

mods/ts/sequences/structures.yaml

@@ -1234,6 +1234,15 @@ gaplug:
 		Length: 15
 		Reverses: true
 		Tick: 120
+	idle-hunterseekera: gaplug_e
+		Length: 15
+		Tick: 120
+		Reverses: true
+		Offset: -12, -42
+	idle-hunterseekerb: gaplug_e
+		Length: 15
+		Reverses: true
+		Tick: 120
 	make: gtplugmk
 		Length: 17
 		ShadowStart: 17
@@ -1241,5 +1250,8 @@ gaplug:
 		Offset: 0, 0
 		UseTilesetCode: false
 
+gaplug2:
+	icon: rad2icon
+
 gaplug3:
 	icon: rad3icon