message: Fix README typo for jsDelivr.
diff: ## Basic Example
  -You can import Vega-Embed from a local copy or (as shown below) [from jsDelivr](hhttps://www.jsdelivr.com/package/npm/vega-embed). Please replace `[VERSION]` with the correct [Vega](https://www.jsdelivr.com/package/npm/vega), [Vega-Lite](https://www.jsdelivr.com/package/npm/vega-lite), and [Vega-Embed](https://www.jsdelivr.com/package/npm/vega-embed) versions. We recommend that you specify the major versions (`vega@5`, `vega-lite@3`, `vega-embed@4`).
  +You can import Vega-Embed from a local copy or (as shown below) [from jsDelivr](https://www.jsdelivr.com/package/npm/vega-embed). Please replace `[VERSION]` with the correct [Vega](https://www.jsdelivr.com/package/npm/vega), [Vega-Lite](https://www.jsdelivr.com/package/npm/vega-lite), and [Vega-Embed](https://www.jsdelivr.com/package/npm/vega-embed) versions. We recommend that you specify the major versions (`vega@5`, `vega-lite@3`, `vega-embed@4`).
  ```html
  <!DOCTYPE html>
  