Thesaurus app

Hi! This works with the curl test, but I'm not sure if the sms formatting will be readable. If it looks too awful I could redo it with json and get it looking better. Hope you like the idea, big big fan of the dumbstore! 

Also the change to the sunsign app in this commit is just because the special UTF character was stopping the server from running, I put it back how it was originally. 

Also I wouldn't normally make an API key public on github, I can deactivate this one if you're up for saving a new one as an environment variable for me.