Chore: fix error in hot-reload

mysticatea · mysticatea · commit cd31774208eb · 2017-12-04T17:02:35.000+09:00
diff --git a/src/index.html b/src/index.html
@@ -142,6 +142,7 @@
 
                 SplashScreen = undefined
                 MainContent = undefined
+                MainContent.show = function() {}
             }
         })(SplashScreen, MainContent)
 
