README nicery (#5)

Co-authored-by: Daniele Scasciafratte <[email protected]>

Author: szepeviktor

README.md

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+# Codeat Coding Standards
+
+[![Packagist](https://img.shields.io/packagist/v/codeatcode/codeatcs.svg?color=239922&style=popout)](https://packagist.org/packages/codeatcode/codeatcs)
+
+CodeatCS is a project with rulsets used for the Codeat plugins/themes development based on [WordPress Coding Standards](https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards) project, implementing official [WordPress PHP Coding Standards](https://make.wordpress.org/core/handbook/coding-standards/php/), [Slevomat Coding Standard](https://github.com/slevomat/coding-standard), [PHPCompatibilityWP](https://github.com/PHPCompatibility/PHPCompatibility) and [PHPCompatibilityWP](https://github.com/PHPCompatibility/PHPCompatibilityWP).  
+
+## PHP Code Sniffer
+
+### How to disable rules
+
+```bash
+phpcs --standard=./vendor/codeatcode/codeatcs/CodeatCodingStandard/ruleset.xml ./file.php  -s
+```
+
+The `-s` parameter shows sniff codes in all reports.