Add enterprise language (#249)

Add enterprise language

README.md

@@ -34,6 +34,11 @@ instance methods, and class methods that are supported.
 - Does not modify any browser prototypes or put anything on `window`
 - Comprehensive test suite (including all buffer tests from node.js core)
 
+## `buffer` for enterprise
+
+Available as part of the Tidelift Subscription.
+
+The maintainers of `buffer` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-buffer?utm_source=npm-buffer&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
 
 ## install