gnugrep: add myself as maintainer

maintainers/maintainer-list.nix

···
     email = "[e-mail]";
     name = "Tim Liou";
   };
+  m00wl = {
+    name = "Moritz Lumme";
+    email = "[e-mail]";
+    github = "m00wl";
+    githubId = 46034439;
+  };
   m1cr0man = {
     email = "[e-mail]";
     github = "m1cr0man";

pkgs/tools/text/gnugrep/default.nix

···
 
     license = licenses.gpl3Plus;
 
-    maintainers = [ maintainers.eelco ];
+    maintainers = [
+      maintainers.eelco
+      maintainers.m00wl
+    ];
     platforms = platforms.all;
     mainProgram = "grep";
   };