Add Probot config

Author: m1guelpf

.probot.js

@@ -0,0 +1,5 @@
+// Auto-respond to new issues and pull requests
+on('issues.opened', 'pull_request.opened')
+  .comment('Thanks for your contribution @{{ user.login }}! We'll try to reply as soon as we can. Meanwhile, [join the OrgManager Organization if you haven\'t!][joinorg]
+  
+  [config]: https://orgmanager.miguelpiedrafita.com/o/orgmanager');