Merge pull request #4359 from kovstas/patch-1

Add a link about fs2-throttler

Author: johnynek

docs/typelevelEcosystem.md

@@ -70,6 +70,7 @@ Here you can find a comprehensive list of libraries and projects related to Type
 | [fs2-rabbit](https://fs2-rabbit.profunktor.dev/)                                                                           | [RabbitMQ](https://www.rabbitmq.com/) stream-based client built on top of [Fs2][Fs2] and [Cats Effect][Cats Effect].                                                                                                                                                                                                                                                                                                                                       |
 | [fs2-reactive-streams](https://github.com/zainab-ali/fs2-reactive-streams)                                                 | A reactive streams implementation for [Fs2][Fs2].                                                                                                                                                                                                                                                                                                                                                                                                          |
 | [fs2-ssh](https://github.com/precog/fs2-ssh)                                                                               | A wrapper around Apache SSHD targeting [Cats Effect][Cats Effect] and [Fs2][Fs2].                                                                                                                                                                                                                                                                                                                                                                          |
+| [fs2-throttler](https://github.com/kovstas/fs2-throttler)                                                                  | Throttling for fs2 based on the token bucket algorithm.                                                                                         |
 | [fs2-zk](https://github.com/Spinoco/fs2-zk)                                                                                | Simple Apache [Zookeeper](https://zookeeper.apache.org/) bindings for [Fs2][Fs2].                                                                                                                                                                                                                                                                                                                                                                          |
 | [Fs2][Fs2]                                                                                                                 | Functional streams for Scala (streaming I/O library).                                                                                                                                                                                                                                                                                                                                                                                                      |
 | [fuuid-annotation](https://github.com/davenverse/fuuid-annotation)                                                         | Automatically create an inner Id tagged FUUID type with convenient methods for its creation.                                                                                                                                                                                                                                                                                                                                                               |