DOC: Add missing attributes to Styler class (#60979)

add index and column to Attributes in Styler

Author: Rishab260

pandas/io/formats/style.py

@@ -187,6 +187,8 @@ class Styler(StylerRenderer):
 
     Attributes
     ----------
+    index : data.index Index
+    columns : data.columns Index
     env : Jinja2 jinja2.Environment
     template_html : Jinja2 Template
     template_html_table : Jinja2 Template