Add kotlinc script templates configuration

.gitignore

@@ -1,5 +1,6 @@
 .*
 
+!.idea/
 !.gitignore
 !.rubocop.yml
 !.editorconfig

.idea/.gitignore

@@ -0,0 +1,4 @@
+*
+
+!.gitignore
+!kotlinc.xml

.idea/kotlinc.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Kotlin2JsCompilerArguments">
+    <option name="sourceMapPrefix" value="" />
+    <option name="sourceMapEmbedSources" value="inlining" />
+  </component>
+  <component name="KotlinCompilerSettings">
+    <option name="scriptTemplates" value="org.apollo.game.plugin.kotlin.KotlinPluginScript" />
+    <option name="scriptTemplatesClasspath" value="$PROJECT_DIR$/game/build/classes/main" />
+  </component>
+</project>