fix: Serialize yields and keyword arguments sections

Author: pawamoy

src/pytkdocs/serializer.py

@@ -180,10 +180,14 @@ def serialize_docstring_section(section: Section) -> dict:  # noqa: WPS231 (not
         serialized.update({"value": section.value})  # type: ignore
     elif section.type == section.Type.RETURN:
         serialized.update({"value": serialize_annotated_object(section.value)})  # type: ignore
+    elif section.type == section.Type.YIELD:
+        serialized.update({"value": serialize_annotated_object(section.value)})  # type: ignore
     elif section.type == section.Type.EXCEPTIONS:
         serialized.update({"value": [serialize_annotated_object(exc) for exc in section.value]})  # type: ignore
     elif section.type == section.Type.PARAMETERS:
         serialized.update({"value": [serialize_parameter(param) for param in section.value]})  # type: ignore
+    elif section.type == section.Type.KEYWORD_ARGS:
+        serialized.update({"value": [serialize_parameter(param) for param in section.value]})  # type: ignore
     elif section.type == section.Type.ATTRIBUTES:
         serialized.update({"value": [serialize_attribute(attr) for attr in section.value]})  # type: ignore
     elif section.type == section.Type.EXAMPLES: