Create benny.json

## Requirements
- [x] I have read and agree to the Terms of Service.
- [x] My file is following the domain structure.
- [x] My website is reachable and completed.
- [x] My website is software development related.
- [x] My website is not for commercial use.
- [x] I have provided sufficient contact information in the owner key.
- [x] I have provided a preview of my website below.

## Website Link/Preview
- Website link: https://bennyliaw.github.io/

domains/benny.json

@@ -0,0 +1,8 @@
+{
+    "owner": {
+        "username": "bennyliaw"
+    },
+    "records": {
+        "CNAME": "bennyliaw.github.io"
+    }
+}