reversed meetings#show view
prefer Opus
add turn server
Merge branch 'development'
removed uncommented lines
Separated video conference view from MeetingsController#show

o meetings_controller.rb – implemented join method
+ join.html.erb – formerly show.html.erb, contains the actual video conference
o show.html.erb – reset changes made to display video conference here, added link to the join.html.erb
o routes.rb – added a route to access the video conference with an URL identified by the unique token of the meeting