Add separate Iron Coast mission, weapon and enemy mods with SD HD artwork and audio

examples/mods/iron_coast_mission_1/scripts/repair.rhai

@@ -0,0 +1,6 @@
+fn on_use(event,state,random) {
+    #{commands:[
+        #{op:"shield",amount:25},
+        #{op:"play_sound",sound:"iron_coast_mission_1:repair_use"}
+    ],state:state}
+}