maintainers: add skohtv

maintainers/maintainer-list.nix

···
     githubId = 617130;
     keys = [ { fingerprint = "C4F7 46C7 B560 38D8 210F  0288 5877 DEE9 7428 557F"; } ];
   };
+  skohtv = {
+    name = "Skoh";
+    email = "[e-mail]";
+    github = "skohtv";
+    githubId = 101289702;
+  };
   skovati = {
     github = "skovati";
     githubId = 49844593;