Added browser-extension topic

Author: sudoscrawl

topics/browser-extension/index.md

@@ -0,0 +1,8 @@
+---
+aliases : browser-extensions, web-extensions, web-extension
+display_name : Browser Extension
+short_description : Extend and customize web browsers using client-side scripts and APIs.
+topic : browser-extension
+wikipedia_url : https://en.wikipedia.org/wiki/Browser_extension
+---
+Browser extensions are small software modules that customize and extend the functionality of web browsers. They can modify browser behavior, enhance user interfaces, integrate third-party services, and automate workflows directly within the browsing experience.