maintainers: add bizmyth

Co-authored-by: bizmythy <[e-mail]>

maintainers/maintainer-list.nix

···
     githubId = 10164833;
     name = "Birk Bohne";
   };
+  bizmyth = {
+    email = "[e-mail]";
+    github = "bizmythy";
+    githubId = 45700916;
+    name = "Drew Council";
+  };
   bjesus = {
     email = "[e-mail]";
     github = "bjesus";