Add link to Eth R&D Discord

public/content/community/get-involved/index.md

@@ -18,12 +18,14 @@ Start by reading about the ethereum.org mission and values in our [code of condu
 - Watch or participate in the [Core Dev calls](https://www.youtube.com/@EthereumProtocol)
 - [Ecosystem Support Program's wishlist](https://esp.ethereum.foundation/wishlist/) - tooling, documentation, and infrastructure areas where the Ethereum Ecosystem Support Program is actively seeking grant applications
 - [Web3Bridge](https://www.web3bridge.com/) - join the aspiring web3 community in their initiative to identify, train, and support hundreds of developers and community members throughout Africa
+- Join the [Eth R&D Discord](https://discord.com/invite/VmG7Uxc)
 - Join the [Ethereum Cat Herders Discord](https://discord.com/invite/Nz6rtfJ8Cu)
 
 ## Researchers & Academics <Emoji text=":mag:" size={1} />‍ {#researchers-and-academics}
 
 Do you have a background in mathematics, cryptography, or economics? You might be interested in some of the cutting-edge work being done within the Ethereum ecosystem:
 
+- Join the [Eth R&D Discord](https://discord.com/invite/VmG7Uxc)
 - Write or review an Ethereum Improvement Proposal
   - Write an EIP
     1. Submit your idea on [Ethereum Magicians](https://ethereum-magicians.org)