Make RustRaptor the repository root and track its playable bundle

mods/iron_coast_mission_5/scripts/coolant.rhai

@@ -0,0 +1,7 @@
+fn on_use(event, state, random) {
+    state.uses = if state.contains("uses") { state.uses + 1 } else { 1 };
+    #{commands:[
+        #{op:"shield", amount:30},
+        #{op:"play_sound", sound:"iron_coast_mission_5:coolant_use"}
+    ], state:state}
+}