feat(pinnedappsgroup): add pinndedAppsGroups controller (not yet working)
feat(user): add /api/users/me uri

Another uri /users/me already exists but it doesn't return a populated document. Whatever, the authentication will be totally rewritten later.
feat(pinnedapp): display pinned apps on the home page
feat(pinnedapp): add expand parameter
feat(user): remove unecessary trim option from user model
comment(appCategory): add comment
refactor(pinnedAppsGroups): remove unused controller
chore(gitignore): ignore intellij files
Merge branch 'pinnedappsgroup'