Add Fleet AI to supporters list in README

Author: adrwz

README.md

@@ -251,7 +251,7 @@ See: [`src/envs/coding_env/README.md`](src/envs/coding_env/README.md)
 ## Community Support & Acknowledgments 
 This is an open and community centric project. If you would like to add your name here, please put up a pull request and tag @jspisak for review. Ty!!
 
-Supporters include: Meta-PyTorch, Hugging Face, [Patronus AI](https://patronus.ai), [Surge AI](https://surgehq.ai), [LastMile AI](https://www.lastmileai.dev), Unsloth AI, Reflection AI, vLLM, SkyRL (UC-Berkeley), LightningAI, Axolotl AI, Stanford Scaling Intelligence Lab, Mithril, [OpenMined](https://openmined.org/) ..
+Supporters include: Meta-PyTorch, Hugging Face, [Patronus AI](https://patronus.ai), [Surge AI](https://surgehq.ai), [LastMile AI](https://www.lastmileai.dev), Unsloth AI, Reflection AI, vLLM, SkyRL (UC-Berkeley), LightningAI, Axolotl AI, Stanford Scaling Intelligence Lab, Mithril, [OpenMined](https://openmined.org/), [Fleet AI](https://fleetai.com) ..
 
 And we'd also like to acknowledge the team at Farama Foundation as the OpenEnv API was heavily inspired by the work you all have done on Gymnasium. Cheers!