Update CONTRIBUTING.md
Update CONTRIBUTING.md

jeroenv/cheqroom-plugin-inappbrowser,jeroenv/cheqroom-plugin-inappbrowser,apache/cordova-plugin-inappbrowser,apache/cordova-plugin-inappbrowser,jeroenv/cheqroom-plugin-inappbrowser,apache/cordova-plugin-inappbrowser,jeroenv/cheqroom-plugin-inappbrowser,jeroenv/cheqroom-plugin-inappbrowser