Add lnd repository (#4576)

Co-authored-by: Yassine Benaid <[email protected]>

README.md

@@ -295,6 +295,7 @@ _Tools for building blockchains._
 - [gosemble](https://github.com/LimeChain/gosemble) - A Go-based framework for building Polkadot/Substrate-compatible runtimes.
 - [gossamer](https://github.com/ChainSafe/gossamer) - A Go implementation of the Polkadot Host.
 - [kubo](https://github.com/ipfs/kubo) - A blockchain framework implemented in Go. It provides content-addressable storage which can be used for decentralized storage in DApps. It is based on the IPFS protocol.
+- [lnd](https://github.com/lightningnetwork/lnd) - A complete implementation of a Lighting Network node.
 - [solana-go](https://github.com/gagliardetto/solana-go) - Go library to interface with Solana JSON RPC and WebSocket interfaces.
 - [tendermint](https://github.com/tendermint/tendermint) - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.