docs: update badge icon colors (#32)

README.md

@@ -39,9 +39,9 @@
 The extension is available on the Chrome Web Store, Firefox Add-ons, and Microsoft Edge Add-ons extension stores. Click on your browser's badge below to install.
 
 <p align="center">
-  <a href="https://addons.mozilla.org/en-US/firefox/addon/catppuccin-gh-file-explorer/"><img src="https://img.shields.io/badge/Firefox_Add--ons-f5a97f?style=for-the-badge&logo=Firefox-Browser&logoColor=white"></a>
-  <a href="https://chromewebstore.google.com/detail/catppuccin-for-github-fil/lnjaiaapbakfhlbjenjkhffcdpoompki"><img src="https://img.shields.io/badge/Chrome_Web_Store-b7bdf8?style=for-the-badge&logo=GoogleChrome&logoColor=white"></a>
-  <a href="https://microsoftedge.microsoft.com/addons/detail/catppuccin-for-github-fil/enicfllfdibbjhnpembomakaamcdcakl"><img src="https://img.shields.io/badge/Microsoft_Edge_Add--ons-7dc4e4?style=for-the-badge&logo=Microsoft-edge&logoColor=white"></a>
+  <a href="https://addons.mozilla.org/en-US/firefox/addon/catppuccin-gh-file-explorer/"><img src="https://img.shields.io/badge/Firefox_Add--ons-f5a97f?style=for-the-badge&logo=Firefox-Browser&logoColor=24273a"></a>
+  <a href="https://chromewebstore.google.com/detail/catppuccin-for-github-fil/lnjaiaapbakfhlbjenjkhffcdpoompki"><img src="https://img.shields.io/badge/Chrome_Web_Store-b7bdf8?style=for-the-badge&logo=GoogleChrome&logoColor=24273a"></a>
+  <a href="https://microsoftedge.microsoft.com/addons/detail/catppuccin-for-github-fil/enicfllfdibbjhnpembomakaamcdcakl"><img src="https://img.shields.io/badge/Microsoft_Edge_Add--ons-7dc4e4?style=for-the-badge&logo=Microsoft-edge&logoColor=24273a"></a>
 </p>
 
 ### Manually