docs: update CodeSandbox issue template URL

Author: Claudéric Demers

README.md

@@ -196,7 +196,7 @@ React Sortable HOC only depends on [invariant](https://github.com/zertosh/invari
 
 If believe you've found an issue, please [report it](https://github.com/clauderic/react-sortable-hoc/issues) along with any relevant details to reproduce it. The easiest way to do so is to fork the `react-sortable-hoc` basic setup sandbox on [CodeSandbox](https://codesandbox.io/s/o104x95y86):
 
-[![Edit o104x95y86](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/o104x95y86)
+[![Edit on CodeSandbox](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/react-sortable-hoc-starter-o104x95y86)
 
 ## Asking for help