fix hanlp markdown names (#2480)

Author: dfokina

integrations/hanlp/pydoc/config.yml

@@ -26,4 +26,4 @@ renderer:
     descriptive_module_title: true
     add_method_class_prefix: true
     add_member_class_prefix: false
-    filename: _readme_github.md
+    filename: _readme_hanlp.md

integrations/hanlp/pydoc/config_docusaurus.yml

@@ -23,6 +23,6 @@ renderer:
     classdef_code_block: false
     descriptive_class_title: false
     descriptive_module_title: true
-    filename: github.md
+    filename: hanlp.md
   title: HanLP
   type: haystack_pydoc_tools.renderers.DocusaurusRenderer