add not about standalone executables

Author: Flet

README.md

@@ -23,6 +23,8 @@ Get an API key at [developer.bestbuy.com](https://developer.bestbuy.com).
 npm install --global bestbuy-cli
 ```
 
+Don't want to install node? Download a standalone executable from the [GitHub Releases page](https://github.com/BestBuyAPIs/bestbuy-cli/releases)!
+
 ## Usage
 
 ```bash