In order to make the layout of all bots consistent, this commit moves each bot into a folder with its name and modifies 'run.py' so that only bots with such a structure can be executed. 'lib' gets renamed to 'bots'.
interactive bots: Create comment on issue GitHub bot. interactive bots: Create comment on issue GitHub bot. interactive bots: Create comment on issue GitHub bot. interactive bots: Create comment on issue GitHub bot.