Update GitHub username and email in JSON file

domains/adriandcosta.json

@@ -0,0 +1,9 @@
+{
+  "owner": {
+    "username": "tiefling-who-code",
+    "email": "dco2011a@gmail.com"
+  },
+  "records": {
+    "CNAME": "tiefling-who-codes.github.io"
+  }
+}