fix license badge

Author: make-github-pseudonymous-again

README.md

@@ -10,7 +10,7 @@ for ( let k of itertools.range(  left , pivot , 1 ) ) predicate( array[k] ) ; //
 for ( let k of itertools.range( pivot , right , 1 ) ) predicate( array[k] ) ; // 1
 ```
 
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+[![License](https://img.shields.io/github/license/aureooms/js-splitting.svg?style=flat)](https://raw.githubusercontent.com/aureooms/js-splitting/master/LICENSE)
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