added message for @types/react and JSX

Author: holtwick

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 Dirk Holtwick
+Copyright (c) 2021-2024 Dirk Holtwick
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -112,6 +112,8 @@ const React = {
 
 But more common is the use of `h` as the factory function. Here is how you can set up this behavior for various environments:
 
+> In case of error messages on JSX in your Typescript project, try to add `npm install -D @types/react`.
+
 ### Babel.js
 
 Add required plugins: