Add imjoy.json for domain configuration

domains/imjoy.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "imranmollajoy",
+        "email": "imranmollajoy@gmail.com" 
+    },
+    "records": {
+        "CNAME": "imranmollajoy.github.io"
+    }
+}