refactor: update rankings action to pass current_player

Refactor rankings action to use render_with_player helper for
consistent current_player availability across views.

Changes:
- Update rankings action to use render_with_player
- Ensure current_player is available in all view templates

app/actions/players/rankings.rb

@@ -6,10 +6,10 @@ module EuchreCamp
       class Rankings < EuchreCamp::Action
         include Deps[repo: 'repositories.players']
 
-        def handle(_request, response)
+        def handle(request, response)
           # Get all players and sort by current Elo
           players = repo.all.sort_by { |p| -p.current_elo }
-          response.render(view, players: players)
+          render_with_player(request, response, players: players)
         end
       end
     end