Feature/apple signin (#103)

* updates in scanner vc in order to handle duo matches WIP

* players now need to be a part of a team

* bypass weekend check if user is test user

* adding crashlytics

* removing unknown sport

* locking down teams WIP

* te --> m31

* ...

* UI and API updates

* sign in with apple firebase implementation WIP

* making project compile

version bump

sport filter on match history

Feature/teams (#33)

* organization picker screen + model

* org --> team

* teams api + ui updates

* new team picker screen

* adding time to recent match timestamp

* highlighting sport when registering a match

* organization picker screen + model

* org --> team

* teams api + ui updates

* new team picker screen

* adding time to recent match timestamp

* highlighting sport when registering a match

* ...

* disabling invite button for now

* version bump

* version bump

* updating API layer to support teams

* ui tweaks

* removing old team picker view controller

* teams filter complete

* minor tweaks

* season wins label bug fix

version bump

version bump

version bump