maintainers: add balodja

maintainers/maintainer-list.nix

···
     email = "[e-mail]";
     name = "Balaji Sivaraman";
   };
+  balodja = {
+    email = "[e-mail]";
+    github = "balodja";
+    githubId = 294444;
+    name = "Vladimir Korolev";
+  };
   baloo = {
     email = "[e-mail]";
     github = "baloo";