📚 docs(README): Upgrade badges.

Author: make-github-pseudonymous-again

README.md

@@ -14,13 +14,17 @@ See [docs](https://aureooms.github.io/js-mincut/index.html).
 mincut([[0,1],[1,2],[1,3],[2,3],[0,4],[0,5],[4,5]]); // 0--1
 ```
 
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