first commit

html_to_django/formatters/block_formatter.py

@@ -0,0 +1,8 @@
+from bs4 import BeautifulSoup
+
+
+def format(soup: BeautifulSoup) -> None:
+    for element in soup.find_all(attrs={"dj-block": True}):
+        element.insert_before(f"{{% block {element.get("dj-block")} %}}")
+        element.insert_after("{% endblock %}")
+        element.unwrap()