maintainers: add usovalx

maintainers/maintainer-list.nix

@@ -27146,6 +27146,11 @@
     githubId = 120451;
     name = "Urban Skudnik";
   };
+  usovalx = {
+    name = "Oleksandr Usov";
+    github = "usovalx";
+    githubId = 1041626;
+  };
   usrfriendly = {
     name = "Arin Lares";
     email = "arinlares@gmail.com";

pkgs/by-name/mr/mrtg/package.nix

@@ -53,7 +53,10 @@ stdenv.mkDerivation rec {
     description = "Multi Router Traffic Grapher";
     homepage = "https://oss.oetiker.ch/mrtg/";
     license = licenses.gpl2Only;
-    maintainers = with maintainers; [ robberer ];
+    maintainers = with maintainers; [
+      robberer
+      usovalx
+    ];
     platforms = platforms.unix;
   };
 }