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

examples/mods/iron_coast_mission_1/scripts/depot.rhai

@@ -0,0 +1,10 @@
+fn on_death(event,state,random) {
+    let opened=0;
+    if event.objectives.contains("iron_coast_mission_1:depots_opened") {
+        opened=event.objectives["iron_coast_mission_1:depots_opened"];
+    }
+    #{commands:[
+        #{op:"objective",key:"iron_coast_mission_1:depots_opened",value:opened+1},
+        #{op:"play_sound",sound:"iron_coast_mission_1:depot_open"}
+    ],state:state}
+}