add sdkbox show_notification config item
add sdkbox show_notification config item

sdkbox-doc/en,yinjimmy/en,sdkbox-staging/en,sdkbox-doc/en,sdkbox-staging/en,yinjimmy/en,yinjimmy/en,sdkbox-doc/en,sdkbox-doc/en,sdkbox-staging/en,yinjimmy/en,sdkbox-staging/en