Update README

Author: Sammyjo20

.github/README.md

@@ -1 +1,12 @@
-## Package Template
+## Saloon Cache Plugin
+
+Official Cache Plugin for Saloon v1, to install it - run the following command:
+
+```php
+composer require sammyjo20/saloon-cache-plugin
+```
+>Requires Saloon v1 and PHP 8.0+
+
+### Documentation
+
+[Click here to read the documentation](https://docs.saloon.dev/)