newsletter: Add a note about DevTools

Author: trflynn89

src/content/newsletters/2025-03-31.mdx

@@ -54,6 +54,15 @@ centralize all Ladybird settings in a single interface, providing a common exper
 
 ![](/assets/img/newsletter-mar-2025-settings.png)
 
+### Firefox DevTools
+
+Last month, we started implementing the Firefox DevTools protocol, making it possible to use Firefox's developer tools
+with Ladybird. This month, we've implemented the ability to inspect style sheets and fonts, and expanded our integration
+with the JavaScript console. We have also added support for performing live-edits of web elements directly from DevTools.
+
+We have implemented enough of the protocol that we were able to remove our home-grown tooling, and now rely entirely on
+DevTools!
+
 ### Credits
 
 We'd like to thank everyone who contributed code this month: