fix: update table documentation and examples

Signed-off-by: Soham Babrekar <soham.babrekar@gmail.com>

Author: Sohamsig

src/collections/sistent/components/table/index.mdx

@@ -71,8 +71,10 @@ Tables should be used when:
   <h2>Best Practices</h2>
 </a>
 
+Best practices for using tables:
+
 - Use headers for clarity  
 - Avoid too many columns  
 - Keep rows readable  
 - Use pagination for large datasets  
-- Maintain consistent spacing
+- Maintain consistent spacing