Retune Iron Coast waves, enemy attacks and weapon presentation

mods/iron_coast_mission_6/mod.toml

@@ -1,6 +1,6 @@
 id = "iron_coast_mission_6"
 name = "Iron Coast — Mission 6: Iron Crown"
-version = "1.0.0"
+version = "1.0.2"
 api_version = 1
 description = "Assault the offshore command citadel, disable six anchored batteries and destroy both command cruisers. The Iron Coast finale includes SD/HD fortress terrain, an optional Ion Lance loan and synthesized mission audio."
 content = "content.json"