chore: Update my name and email on Git

modules/home/users/crumb/git.nix

@@ -7,8 +7,8 @@ let
     lib.mkEnableOption "Git, à la crumb";
 
   # TODO: Move somewhere else.
-  my-email = "lomiskiam@gmail.com";
-  my-name = "Madeleine Sydney";
+  my-email = "msyds@deertopia.net";
+  my-name = "Madeleine Sydney Ślaga";
 in {
   options.sydnix.users.crumb.git.enable =
     lib.mkEnableOption "Git, à la crumb";