Add plugin to fix reporting of cordova-paramedic results when using WKWebView plugin.

See apache/cordova-paramedic#52

Author: dpa99c

tests/plugin.xml

@@ -32,6 +32,7 @@
     <platform name="ios">
       <!-- The WKWebView implementation for inappbrowser requires the presence of this plugin  -->
       <dependency id="cordova-plugin-wkwebview-engine" />
+      <dependency id="cordova-plugin-wkwebview-engine-allowfileaccess" url="https://github.com/knight9999/cordova-plugin-wkwebview-engine-allowfileaccess.git" />
     </platform>