managarr: add DarkAlex and Nindouja as maintainers (#389382)

maintainers/maintainer-list.nix

···
     github = "dariof4";
     githubId = 9992814;
   };
+  darkalex = {
+    email = "[e-mail]";
+    github = "Dark-Alex-17";
+    githubId = 39523942;
+    name = "Alex Clarke";
+  };
   darkonion0 = {
     name = "Alexandre Peruggia";
     email = "[e-mail]";
···
     githubId = 131929;
     name = "Guilhem Saurel";
     keys = [ { fingerprint = "9B1A 7906 5D2F 2B80 6C8A  5A1C 7D2A CDAF 4653 CF28"; } ];
+  };
+  nindouja = {
+    email = "[e-mail]";
+    github = "Nindouja";
+    githubId = 5629639;
+    name = "Nindouja";
   };
   ninjafb = {
     email = "[e-mail]";

pkgs/by-name/ma/managarr/package.nix

···
     description = "TUI and CLI to manage your Servarrs";
     homepage = "https://github.com/Dark-Alex-17/managarr";
     license = lib.licenses.mit;
-    maintainers = [ lib.maintainers.IncredibleLaser ];
+    maintainers = [
+      lib.maintainers.IncredibleLaser
+      lib.maintainers.darkalex
+      lib.maintainers.nindouja
+    ];
     mainProgram = "managarr";
   };
 }