Update README.md

added link to the project

Author: zlik

README.md

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 #ECG Magento Code Sniffer Coding Standard
 
-![SensioLabsInsight Medal](https://insight.sensiolabs.com/projects/a06c37c6-0d79-4476-aff5-12d8ce1d8c53/big.png "SensioLabsInsight Medal")
+[![SensioLabsInsight Medal](https://insight.sensiolabs.com/projects/a06c37c6-0d79-4476-aff5-12d8ce1d8c53/big.png "SensioLabsInsight Medal")](https://insight.sensiolabs.com/projects/a06c37c6-0d79-4476-aff5-12d8ce1d8c53)
 
 ECG Magento Code Sniffer Coding Standard is a set of rules and sniffs for [PHP_CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) tool.