Update docs_url

Author: pxlrbt

content/plugins/pxlrbt-favicon.md

@@ -5,7 +5,7 @@ author_slug: pxlrbt
 categories: [table-column, infolist-entry]
 description: Easiest way to add favicons to your table and schemas
 discord_url:
-docs_url: https://raw.githubusercontent.com/pxlrbt/filament-favicon/main/readme.md
+docs_url: https://raw.githubusercontent.com/pxlrbt/filament-favicon/main/README.md
 github_repository: pxlrbt/filament-favicon
 has_dark_theme: true
 has_translations: false