Added a Procfile.
Added a Procfile.

kdhaywar/CMPUT404-project-socialdistribution,zztimy/CMPUT404-project-socialdistribution,kdhaywar/CMPUT404-project-socialdistribution,YufeiZhang/CMPUT404-project-socialdistribution,kdhaywar/CMPUT404-project-socialdistribution,zztimy/CMPUT404-project-socialdistribution,kdhaywar/CMPUT404-project-socialdistribution,YufeiZhang/CMPUT404-project-socialdistribution,YufeiZhang/CMPUT404-project-socialdistribution,YufeiZhang/CMPUT404-project-socialdistribution