renamed files; implemented command_entry; wrote real test and added test file structure

tests/tests_converter.py

@@ -0,0 +1,21 @@
+import os
+import filecmp
+import shutil
+from unittest import TestCase
+from html_to_django import converter
+
+
+class ConverterTests(TestCase):
+    def test_convert_file(self):
+        shutil.copytree(
+            os.path.abspath("tests/test_project"),
+            os.path.abspath("tests/test_project_test_result"),
+            dirs_exist_ok=True
+        )
+        converter.convert_file(
+            os.path.abspath("tests/test_project_test_result/test.html")
+        )
+        self.assertTrue(filecmp.cmp(
+            os.path.abspath("tests/test_project_test_result/test.n.html"),
+            os.path.abspath("tests/test_project_expected_result/test.n.html")
+        ))