Create suryasiddamurthi.json for domain configuration

Added JSON configuration for domain details including owner, record, description, and repository link.

domains/suryasiddamurthi.json

@@ -0,0 +1,11 @@
+{
+  "owner": {
+    "username": "Roadmast",
+    "email": "siddamurthi789@gmail.com"
+  },
+  "record": {
+    "CNAME": "siddamurthi789.workers.dev"
+  },
+  "description": "Personal development space and portfolio hosted on Cloudflare Workers.",
+  "repo": "https://github.com/Roadmast/register"
+}