Add a description, image, and links to the bootstrap-navbar-toggler topic page so that developers can more easily learn about it.

The seventh developer beta of iOS 26 is here, and with it returns the previously disabled Apple Watch blood oxygen feature. Here's what's new. iOS 26 developer beta 7 builds upon the "Liquid Glass" ...

Implement a theme toggle that allows users to switch between light and dark modes. The toggle should: Be accessible from the navbar or header. Persist the user’s preference (using localStorage or a ...