add mhmmd-ysf

subdomains.json

@@ -96,6 +96,7 @@
   "matthijs": "matthijs12310.github.io",
   "mazengohar": "mazen-gohar-dev.onrender.com",
   "mhmdrameez": "mhmdrameez.github.io",
+  "mhmmd-ysf": "mhmmd-ysf.github.io",
   "minlaxz": "minlaxz.github.io",
   "nabeelshaikh7": "hashnode.network",
   "nicoserna": "nicolito128.github.io",