docs(readme): add taple to notable users

Request to add [TAPLE](https://www.taple.es) Project to rust-libp2p notable users. TAPLE is a permissioned DLT solution for traceability of assets and processes. We use libp2p for the network layer.

Pull-Request: #4309.

Author: yerayrodriguez

README.md

@@ -103,3 +103,4 @@ used and maintained by [Actyx](https://www.actyx.com).
 - [Subspace](https://github.com/subspace/subspace) - Subspace Network reference implementation
 - [Substrate](https://github.com/paritytech/substrate) - Framework for blockchain innovation,
 used by [Polkadot](https://www.parity.io/technologies/polkadot/).
+- [Taple](https://github.com/opencanarias/taple-core) - Sustainable DLT for asset and process traceability by [OpenCanarias](https://www.opencanarias.com/en/).