(fix): update favicon

Author: neelbrahma

assets/images/ico/favicon.ico

@@ -36,6 +36,6 @@ meta(property='og:locale', content='en_US')
 meta(property='fb:app_id', content='678455993062306')
 meta(property='og:type', content='website')
 
-link(rel='shortcut icon', type="image/x-icon", href=app_assets_path+'/images/ico/favicon.ico')
+link(rel='shortcut icon', type="image/x-icon", href=app_assets_path+'/images/ico/favicon.png')
 link(href="https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;1,400;1,500;1,600" rel="stylesheet")
 link(href="assets/vendors/css/docs.css" rel="stylesheet")