Previously it was possible to exit the player without going into pip mode and having no option to open this player activity again.

fixes #33

* kotlin 1.4.21 -> 1.4.30
* material components 1.3.0-rc01 -> 1.3.0
* glide 4.11.0 -> 4.12.0

* update androidx navigation libraries
* add similar media to MediaFragment
* parse similar media in AoDParser

Reviewed-on: #28
Co-Authored-By: Jannik <seil0@mosad.xyz>
Co-Committed-By: Jannik <seil0@mosad.xyz>

AoD does allow opensource apps

* use plural for runtime and episodes
* code clean up

* exoplayer 2.12.2 -> 2.12.3
* material components 1.3.0-beta01 -> 1.3.0-rc01

closes #14

closes #25

Reviewed-on: #24

move some player avtivity stuff to ActivityUtils

the always visible next ep button cloud be hidden, when playing the last ep of a tv show and changing to a previous ep via the episodes list

* fix current language is set to preferred and not to actual language
* fix player episodes lists sometimes missing the play icon

fixes #19

this prevents the media being reloaded, when the app is moved to the background and to the foreground again

closes #16

* fix exoplayer access on wrong thread
* fix remaining time calculation sometimes failed

this fixes playback after the activity has been destroyed, while being in background

* use Local instead of streamURL to save selected language, this allows nextEp/ selected Eps to use previously selected language
* hide episodes button, if media is a movie

* move player object to PlayerViewModel
* minor code clean up

* potentially support more than 2 streams
* part of language settings in player

* fix #20, return 0 as episode number on NumberFormatException
* don't crash if a episode can not be parsed
* update material components: 1.3.0-alpha04 -> 1.3.0-beta01