Add missing final newlines

Used this one-liner: https://unix.stackexchange.com/a/161853

src/libraries/query-string/index.js

@@ -15,4 +15,4 @@ window.queryString = {}, window.queryString.extract = function(maybeUrl) {
             return encodeURIComponent(key) + "=" + encodeURIComponent(val2)
         }).join("&") : encodeURIComponent(key) + "=" + encodeURIComponent(val)
     }).join("&") : ""
-};
+};