Add rmonteseba portfolio JSON configuration (#1)

* Add rmonteseba portfolio JSON configuration

* Remove description and repo fields from JSON

* Add email

domains/rmonteseba.json

@@ -0,0 +1,10 @@
+{
+  "owner": {
+    "username": "rmonteseba",
+    "email": "sebasmontes0@gmail.com"
+  },
+  "records": {
+    "CNAME": "rmonteseba.github.io"
+  },
+  "proxied": true
+}