Mocks https://projects.invisionapp.com/d/main#/console/18532170/400085460/preview

Behind the same feature flag as the new navigation

• Avatar and channel information header
• Link to newsfeed
• Link to discovery
• Link to groups
• Link to wallet
• Link to analytics
• Link to boost
• Link to Settings
• Light mode
• Dark mode
• Unit tests
• E2E tests

changed due date to January 28, 2020

changed milestone to %Sprint::01/15 - Youthful Yabby

added scoped labels

changed weight to 4

changed time estimate to 4h

added scoped labels

added scoped label

added to epic &93