Added initial tools support, minor refactor to sidebar actions

lib/director.rb

@@ -1,7 +1,7 @@
 class IMICRTS
   class Director
     attr_reader :current_tick, :map, :game
-    def initialize(game:, map:, players:, networking_mode:, tick_rate: 10)
+    def initialize(game:, map:, players: [], networking_mode:, tick_rate: 10)
       @game = game
       @map = map
       @players = players
@@ -14,6 +14,10 @@ class IMICRTS
       @current_tick = 0
     end
 
+    def add_player(player)
+      @players << player
+    end
+
     def update
       if (Gosu.milliseconds - @last_tick_at) >= @tick_time
         @last_tick_at = Gosu.milliseconds