added hierarchy rules

docforge/__init__.py

@@ -208,6 +208,31 @@ class Class
 
 # Writing Rules
 
+**Heading hierarchy**
+
+Module docstring
+
+- Examples
+- Usage
+- Core concepts
+- Public API
+
+Class docstring
+
+- Attributes
+- Execution contract
+- Lifecycle
+- Thread safety
+- Notes
+
+Method docstring
+
+- Parameters
+- Returns
+- Raises
+- Yields
+- Behavior
+
 **Required**
 
 * Use Markdown headings