Add Vaniaina.json with owner and records details

### ✨ Project Overview
I am a developer seeking to establish a professional online presence. I would like to request the subdomain `Vaniaina.is-a.dev` to host my personal portfolio. 

This domain will serve as a central hub to showcase my projects, skills, and my journey as a developer to the community and potential collaborators.

### 📜 Commitment
- [x] I have verified the availability of the name.
- [x] I have followed the naming conventions and folder structure.

Thank you for your time and for maintaining this wonderful initiative for the developer community. I look forward to launching my portfolio under this domain!

domains/Vaniaina.json

@@ -0,0 +1,9 @@
+{
+    "owner": {
+        "username": "Gwynbleidd344",
+        "email": "vanimendes344@gmail.com"
+    },
+    "records": {
+        "A": ["216.24.57.1"]
+    }
+}