maintainers: add quasigod-io

maintainers/maintainer-list.nix

···
     github = "zuzuleinen";
     githubId = 944919;
   };
+  quasigod-io = {
+    email = "[e-mail]";
+    name = "Michael Belsanti";
+    github = "quasigod-io";
+    githubId = 62124625;
+  };
 }