Add @j4m3s-s as maintainer

maintainers/maintainer-list.nix

@@ -4147,6 +4147,12 @@
     github = "j0hax";
     githubId = 3802620;
   };
+  j4m3s = {
+    name = "James Landrein";
+    email = "github@j4m3s.eu";
+    github = "j4m3s-s";
+    githubId = 9413812;
+  };
   jacg = {
     name = "Jacek Generowicz";
     email = "jacg@my-post-office.net";