Moved menus into their own folder, stubbed bunch of menus

lib/states/menus/multiplayer_menu.rb

@@ -0,0 +1,33 @@
+class IMICRTS
+  class MultiplayerMenu < CyberarmEngine::GuiState
+    def setup
+      background [0xff7b6ead, 0xff7a0d71, 0xff7a0d71, 0xff7b6ead]
+
+      stack(height: 1.0) do
+        background [0xff555555, Gosu::Color::GRAY]
+
+        label "Multiplayer", text_size: 78, margin: 20
+        label "Games", text_size: 32
+        @games_list = stack(border_color: Gosu::Color::WHITE, border_thickness: 2) do
+        end
+        flow do
+          button("Refresh") do
+            # refresh_games
+          end
+          button("Host Game")
+          button("Join Game")
+        end
+
+        button("Back", width: 1.0, margin_top: 20) do
+          push_state(MainMenu)
+        end
+      end
+    end
+
+    def refresh_games
+      @games_list.clear do
+        label "No games found..."
+      end
+    end
+  end
+end