misc.xml in ampedxx-yrpc-0.1.6

- old
+ new

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
   <component name="ProjectRootManager" version="2" project-jdk-name="RVM: ruby-2.3.1" project-jdk-type="RUBY_SDK" />
 </project>
\ No newline at end of file