python.pkgs.scandir: move to a separate file

pkgs/development/python-modules/scandir/default.nix

@@ -0,0 +1,18 @@
+{ lib, buildPythonPackage, fetchurl }:
+
+buildPythonPackage rec {
+  name = "scandir-${version}";
+  version = "1.7";
+
+  src = fetchurl {
+    url = "mirror://pypi/s/scandir/${name}.tar.gz";
+    sha256 ="0gbnhjzg42rj87ljv9kb648rfxph69ly3c8r9841dxy4d7l5pmdj";
+  };
+
+  meta = with lib; {
+    description = "A better directory iterator and faster os.walk()";
+    homepage = https://github.com/benhoyt/scandir;
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ abbradar ];
+  };
+}