Add jglukasik to maintainer-list.nix

maintainers/maintainer-list.nix

···
     github = "jgillich";
     name = "Jakob Gillich";
   };
+  jglukasik = {
+    email = "[e-mail]";
+    github = "jglukasik";
+    name = "Joseph Lukasik";
+  };
   jhhuh = {
     email = "[e-mail]";
     github = "jhhuh";