[DOCS] Port Changes for sitemap generating to master (#27724)

Group Port for:

![image](https://github.com/user-attachments/assets/7e72252c-4bba-41e5-a732-f4477ab712af)

![image](https://github.com/user-attachments/assets/6a0217df-82e4-4d03-8eca-a93fd14d6f1e)

![image](https://github.com/user-attachments/assets/79a122a7-31eb-41e0-92c2-17634a89dc9a)

docs/openvino_custom_sphinx_sitemap/openvino_custom_sphinx_sitemap/__init__.py

@@ -140,9 +140,21 @@ def extract_hierarchy(link):
     segments = path.split('/')[1:]
     if segments and segments[-1].endswith('.html'):
         segments = segments[:-1]
-
+
+    if segments and '.' in segments[0]:
+        year, *rest = segments[0].split('.')
+        if year.isdigit() and len(year) == 4:
+            segments[0] = year
+
+    segments = [format_segment(segment) for segment in segments]
+
     hierarchy = []
     for i in range(1, len(segments) + 1):
         hierarchy.append('|'.join(segments[:i]))
-
-    return ';'.join(hierarchy)
+
+    return ';'.join(hierarchy)
+
+def format_segment(segment):
+    if segment == 'c_cpp_api': segment = 'c_c++_api'
+
+    return ' '.join(word.capitalize() for word in segment.replace('-', ' ').replace('_', ' ').split())