chore: update readme

README.md

@@ -7,25 +7,7 @@
 [![Quality Score][ico-code-quality]][link-code-quality]
 [![Total Downloads][ico-downloads]][link-downloads]
 
-**Note:** Replace ```Gustavo Karkow``` ```karkowg``` ```https://github.com/karkowg``` ```[email protected]``` ```karkowg``` ```php-mupdf``` ```Minimal PDF to image converter using MuPDF``` with their correct values in [README.md](README.md), [CHANGELOG.md](CHANGELOG.md), [CONTRIBUTING.md](CONTRIBUTING.md), [LICENSE.md](LICENSE.md) and [composer.json](composer.json) files, then delete this line. You can run `$ php prefill.php` in the command line to make all replacements at once. Delete the file prefill.php as well.
-
-This is where your description should go. Try and limit it to a paragraph or two, and maybe throw in a mention of what
-PSRs you support to avoid any confusion with users and contributors.
-
-## Structure
-
-If any of the following are applicable to your project, then the directory structure should follow industry best practices by being named the following.
-
-```
-bin/ 
-build/
-docs/
-config/
-src/
-tests/
-vendor/
-```
-
+Minimal PDF to image converter using [MuPDF](https://mupdf.com/docs/mutool.html). Heavily inspired by [spatie/image-to-pdf](https://github.com/spatie/pdf-to-image).
 
 ## Install
 
@@ -38,8 +20,9 @@ $ composer require karkowg/php-mupdf
 ## Usage
 
 ``` php
-$skeleton = new Karkow\MuPdf();
-echo $skeleton->echoPhrase('Hello, League!');
+$pdf = new Karkow\MuPdf\Pdf('path/to/pdf/file');
+
+$pdf->saveAllPagesAsImages('./images/', 'page-');
 ```
 
 ## Change log