fix: strip list dash prefix from sub-entry keys and render ListElement as key with no value

- x: 123 was parsed with key "- x" due to missing lstrip("-") before
the colon split. ListElement now renders as a key with empty value
rather than an empty key with a value.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Chris1221

yamldoc/entries.py

@@ -153,9 +153,9 @@ class ListElement:
 
     def to_markdown(self, schema=False):
         if schema:
-            return f"|  | `{self.entry}` | Unknown |  |"
+            return f"| `{self.entry}` |  | Unknown |  |"
         else:
-            return f"|  | `{self.entry}` |  |"
+            return f"| `{self.entry}` |  |  |"
 
 
 class Entry:

yamldoc/parser.py

@@ -61,7 +61,7 @@ def parse_yaml(file_path, char="#'", debug=False, exclude_char="#'!", override_e
                             meta = meta + line.lstrip().rstrip()
                         else:
                             try:
-                                key, value = line.lstrip().rstrip().split(":", 1)
+                                key, value = line.lstrip().lstrip("-").lstrip().rstrip().split(":", 1)
 
                                 if not value.lstrip():
                                     new_entry = yamldoc.entries.MetaEntry(