📚 docs(README): Add code sample.

Author: make-github-pseudonymous-again

README.md

@@ -11,6 +11,11 @@ See [docs](https://iterable-iterator.github.io/iter/index.html).
 > `regeneratorRuntime` to be defined, for instance by importing
 > [regenerator-runtime/runtime](https://www.npmjs.com/package/regenerator-runtime).
 
+```js
+import {iter} from '@iterable-iterator/iter';
+iter('ABC').next().value; // A
+```
+
 [![License](https://img.shields.io/github/license/iterable-iterator/iter.svg)](https://raw.githubusercontent.com/iterable-iterator/iter/main/LICENSE)
 [![Version](https://img.shields.io/npm/v/@iterable-iterator/iter.svg)](https://www.npmjs.org/package/@iterable-iterator/iter)
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