Manage todo items with chat members
@ruboty add todo <things to do> - Add a new todo item
@ruboty delete job <id> - Delete an item
@ruboty list todos - List all todo items
@ruboty mark todo <id> as complete - Mark the todo item as complete
@ruboty mark todo <id> as incomplete - Mark the todo item as incomplete
TODO_RESPONSE_STYLE - asakusasatellite: Use AsakusaSatellite style