Interactive onboarding

[tgamauf]

https://introjs.com/

[tgamauf]

• [x] User settings that define if an intro should be shown to a user for a specific page
• [x] User settings are set to "show all" on first login and will be set to the same for all existing users
• [x] User can interrupt intro, then the intro for this page won't be shown to her anymore
• [x] User can activate intro in settings (not page-specific)

Pages:

• [x] Dashboard (if no location and if location)
• [x] AddLocation
• [x] LocationDetails