Add mugish.is-a.dev subdomain request

- Personal retro-themed developer portfolio
- Showcases web development skills and projects
- Hosted on Vercel at mugish-beldar.vercel.app

domains/mugish.json

@@ -0,0 +1,11 @@
+{
+  "description": "Mugish Beldar's retro-themed developer portfolio showcasing skills, projects, and experience in web development",
+  "repo": "https://github.com/MugishBeldar/mugish.beldar",
+  "owner": {
+    "username": "MugishBeldar",
+    "email": "mugishbeldar333@gmail.com"
+  },
+  "record": {
+    "CNAME": "mugish-beldar.vercel.app"
+  }
+}