Add precommit check (#1080)

Keeps the repo clean, same as several other of our repos

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/components/InputButton.tsx

@@ -30,4 +30,4 @@ export default class InputButton extends React.Component<InputButtonProps> {
       {this.props.children}
     </button>
   }
-}
+}