small tuning

Author: sgratzl

README.md

@@ -1172,6 +1172,7 @@ One can specify the type in more detail by specifing the generic argument of the
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 Barchart final results in TypeScript [barchart07_final_ts.ts](examples/barchart07_final_ts.ts) [![Open in CodePen][codepen]](https://codepen.io/sgratzl/pen/gObqdEG)
+
 MCV final results in TypeScript [mcv06_final_ts.ts](examples/mcv06_final_ts.ts) [![Open in CodePen][codepen]](https://codepen.io/sgratzl/pen/pojoNNL)
 
 ### Hints