Added onboarding

app/features/onboarding/actionTypes.js

app/features/onboarding/actions.js

app/features/onboarding/components/ConferenceURLSpotlight.js

app/features/onboarding/components/EmailSettingSpotlight.js

app/features/onboarding/components/NameSettingSpotlight.js

app/features/onboarding/components/Onboarding.js

app/features/onboarding/components/OnboardingModal.js

app/features/onboarding/components/ServerSettingSpotlight.js

...features/onboarding/components/SettingsDrawerSpotlight.js

...tures/onboarding/components/StartMutedTogglesSpotlight.js

app/features/onboarding/components/index.js

app/features/onboarding/constants.js

app/features/onboarding/index.js

app/features/onboarding/middleware.js

app/features/onboarding/reducer.js

app/features/redux/middleware.js

app/features/redux/reducers.js

app/features/redux/store.js

app/features/settings/components/SettingsButton.js

app/features/settings/components/SettingsDrawer.js