add more infos to readme

[Armandpl]

https://github.com/Armandpl/furuta/blob/021e58916d8b87a007879856dd8549564b359fc3/README.md

• acknowledge code origin (Quanser, CartPoleSzingUp-v1, TD3 implementation)
• link to wandb dashboard

[Armandpl]

• more motivation: building and training robots to build an autocratic solarpunk farm ?