Fixed typo in README (and signed commit test, ignore last commits lol)

README.md

@@ -36,5 +36,5 @@ yarn run
 ## Useful resources
 
 [react calendar app](https://codesandbox.io/s/kkyvoj97pv?from-embed=&file=/src/index.js)
-[codesandbox, utile per vedere altri progetti creati con framework)(https://codesandbox.io/)
+[codesandbox, utile per vedere altri progetti creati con framework](https://codesandbox.io/)
 [awesome css list](https://github.com/awesome-css-group/awesome-css)