Add Laravel and PHP packages to docs

Author: dcastil

docs/similar-packages.md

@@ -1,5 +1,8 @@
 # Similar packages
 
+> **Note**
+> If you know of a package that isn't listed here, feel free to submit a PR adding the package to this page.
+
 ## TypeScript/JavaScript
 
 -   [@robit-dev/tailwindcss-class-combiner](https://www.npmjs.com/package/@robit-dev/tailwindcss-class-combiner)
@@ -11,7 +14,9 @@
 
 -   [tailwind_merge](https://rubygems.org/gems/tailwind_merge) (Ruby)
 -   [Twix](https://hex.pm/packages/twix) (Elixir)
--   [tailwind-merge-php](https://github.com/YieldStudio/tailwind-merge-php) (PHP)
+-   [yieldstudio/tailwind-merge-php](https://packagist.org/packages/yieldstudio/tailwind-merge-php) (PHP)
+-   [gehrisandro/tailwind-merge-php](https://packagist.org/packages/gehrisandro/tailwind-merge-php) (PHP)
+-   [tailwind-merge-laravel](https://packagist.org/packages/gehrisandro/tailwind-merge-laravel) (Laravel, PHP)
 -   [tailwind-merge-go](https://github.com/Oudwins/tailwind-merge-go) (Golang)
 
 ---