Add NG stub for settings page, refs T645

Summary:
- uses cards for features
- basic CSS hooked up

Test Plan:
- click settings page
- hover cards

Reviewers: eyedol, rjmackay

Reviewed By: rjmackay

Subscribers: srutto, bodacea, dkobia

Maniphest Tasks: T645

Differential Revision: https://phabricator.ushahidi.com/D291