Assign a Dispatcher in new Runner instances

lib/uh/wm/runner.rb

@@ -8,10 +8,11 @@ module Uh
         end
       end
 
-      attr_reader :env, :manager
+      attr_reader :env, :events, :manager
 
       def initialize env, manager: Manager.new
         @env      = env
+        @events   = Dispatcher.new
         @manager  = manager
       end
 

spec/uh/wm/runner_spec.rb

@@ -25,6 +25,10 @@ module Uh
           expect(runner.env).to be env
         end
 
+        it 'assigns a new Dispatcher' do
+          expect(runner.events).to be_a Dispatcher
+        end
+
         it 'assigns a new Manager' do
           expect(runner.manager).to be_a Manager
         end