Update README.md (#234)

Author: borovan

README.md

@@ -346,6 +346,7 @@ Candid is an interface description language (IDL) for interacting with canisters
 
 ## Storage and Databases
 
+- [IcyDB](https://github.com/dragginzgame/icydb) - Scalable DB/ORM written in Rust, battle tested and constantly updated.
 - [CanDB](https://github.com/ORIGYN-SA/CanDB) - Flexible, performant, and horizontally scalable non-relational multi-canister database built in Motoko.
 - [ic-oxigraph](https://github.com/omnia-network/ic-oxigraph) - An RDF database for the IC, that enables on-chain knowledge graphs.
 - [rusqlite](https://github.com/wasm-forge/examples/tree/main/ic-rusqlite) – SQLite database implementation in Rust using `wasi2ic`