diff --git a/.idea/jsLibraryMappings.xml b/.idea/jsLibraryMappings.xml
new file mode 100644
index 0000000..d23208f
--- /dev/null
+++ b/.idea/jsLibraryMappings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptLibraryMappings">
+    <includedPredefinedLibrary name="Node.js Core" />
+  </component>
+</project>
\ No newline at end of file