Add myself as maintainer

Changed files
+5
maintainers
+5
maintainers/maintainer-list.nix
···
github = "tokudan";
name = "Daniel Frank";
};
+
tomahna = {
+
email = "kevin.rauscher@tomahna.fr";
+
github = "Tomahna";
+
name = "Kevin Rauscher";
+
};
tomberek = {
email = "tomberek@gmail.com";
github = "tomberek";