Add yubioath-desktop application and required pyscard module to support it

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

@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, fetchpatch, python, buildPythonPackage, swig, pcsclite }:
+
+buildPythonPackage rec {
+  name = "pyscard-1.9.4";
+  namePrefix = "";
+
+  src = fetchurl {
+    url = "mirror://pypi/p/pyscard/${name}.tar.gz";
+    sha256 = "0gn0p4p8dhk99g8vald0dcnh45jbf82bj72n4djyr8b4hawkck4v";
+  };
+
+  configurePhase = "";
+
+
+  LDFLAGS="-L${pcsclite}/lib";
+  CFLAGS="-I${pcsclite}/include/PCSC";
+
+  propagatedBuildInputs = [ swig pcsclite ];
+
+  #doCheck = !(python.isPypy or stdenv.isDarwin); # error: AF_UNIX path too long
+
+  meta = {
+    homepage = "https://pyscard.sourceforge.io/";
+    description = "Smartcard library for python";
+    license = stdenv.lib.licenses.lgpl21;
+  };
+}