Created "rushil.is-a-fullstack.dev.json"

Added my subdomain JSON file to the '/domains' directory!

domains/rushil.is-a-fullstack.dev.json

@@ -0,0 +1,14 @@
+{
+    "domain": "is-a-fullstack.dev",
+    "subdomain": "rushil",
+
+    "owner": {
+        "email": "rushillpatell@gmail.com"
+    },
+
+    "records": {
+        "CNAME": "rushilp1.github.io"
+    },
+
+    "proxied": true
+}