maintainers: add deej-io

maintainers/maintainer-list.nix

···
     name = "Dee Engan";
     keys = [ { fingerprint = "9C24 79F5 F0CE 48F4 00EE  4A5B B8ED 46EB 468B F72D"; } ];
   };
+  deej-io = {
+    email = "[e-mail]";
+    github = "deej-io";
+    githubId = 7419862;
+    name = "Daniel Rollins";
+    matrix = "@deej-io:matrix.org";
+    keys = [ { fingerprint = "A0BE BED3 A3A0 7127 1411 6234 6830 B0AE 30DD 38DB"; } ];
+  };
   deejayem = {
     email = "[e-mail]";
     github = "deejayem";