refactor dnscrypt parse

add test

testing/test_dnscrypt_to_smartdns.py

@@ -0,0 +1,14 @@
+import unittest
+
+from dnscrypt_to_smartdns import get_smartdns_config
+
+
+class MyTestCase(unittest.TestCase):
+    def test_get_smartdns_config(self):
+        conf_text = get_smartdns_config()
+        # print(conf_text)
+        self.assertIsInstance(conf_text, str)
+
+
+if __name__ == '__main__':
+    unittest.main()