added assets_formatter and remove_formatter

tests/formatters/tests_remove_formatter.py

@@ -0,0 +1,23 @@
+from unittest import TestCase
+from bs4 import BeautifulSoup
+from html_to_django.formatters import remove_formatter
+
+
+class RemoveTests(TestCase):
+    def test_basic(self) -> None:
+        soup = BeautifulSoup('<div dj-remove><div>Test</div></div>', "html.parser")
+        remove_formatter.format(soup)
+        expected_result = ""
+        self.assertEqual(expected_result, str(soup))
+
+    def test_empty(self) -> None:
+        soup = BeautifulSoup('<div dj-remove></div>', "html.parser")
+        remove_formatter.format(soup)
+        expected_result = ""
+        self.assertEqual(expected_result, str(soup))
+
+    def test_with_remove_inside(self) -> None:
+        soup = BeautifulSoup('<div dj-remove><div dj-remove>Inner Test</div></div>', "html.parser")
+        remove_formatter.format(soup)
+        expected_result = ""
+        self.assertEqual(expected_result, str(soup))