Include EE-specific frontend files in generated JSDoc

Everyone can contribute. Help move this issue forward while earning points, leveling up and collecting rewards.

• Close this issue

https://gitlab.com/gitlab-org/gitlab-ee/blob/master/config/jsdocs.config.js is missing the ee/ prefix which implies that EE-specific files are missing from http://gitlab-org.gitlab.io/gitlab-ee/jsdoc/.