nox: add license information: MIT

nox was licensed under MIT License
since at least 0.0.2. See
b7e084a7c5

pkgs/tools/package-management/nox/default.nix

@@ -25,6 +25,7 @@ pythonPackages.buildPythonApplication rec {
     homepage = https://github.com/madjar/nox;
     description = "Tools to make nix nicer to use";
     maintainers = [ lib.maintainers.madjar ];
+    license = lib.licenses.mit;
     platforms = lib.platforms.all;
   };
 }