Add no split option

Author: benber86

src/mamushi/formatting/format.py

@@ -14,7 +14,10 @@ def format_tree(ast: Node, max_line_length: int = 80) -> str:
         dst_contents.append(str(empty_line) * after)
         before, after = elt.maybe_empty_lines(current_line)
         dst_contents.append(str(empty_line) * before)
-        for line in split_line(current_line, line_length=max_line_length):
-            dst_contents.append(str(line))
+        if "# nosplit" in str(current_line):
+            dst_contents.append(str(current_line))
+        else:
+            for line in split_line(current_line, line_length=max_line_length):
+                dst_contents.append(str(line))
 
     return "".join(dst_contents)