Add Trilogy (mysql client library) (fffaraz#1583)

Author: toge

README.md

@@ -449,6 +449,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [UnQLite](https://github.com/symisc/unqlite) - A self-contained, serverless, zero-configuration, transactional NoSQL engine. [BSD-2-Clause] [website](https://unqlite.org/)
 * [upscaledb](https://upscaledb.com) - An embedded "typed" key/value store with a built-in query interface. [GPLv3]
 * [TigerBeetleDB C++ client (Community)](https://github.com/kassane/tigerbeetle-cpp) - TigerBeetle is a financial accounting database designed for mission critical safety and performance to power the future of financial services. [BSL-1.0]
+* [Trilogy](https://github.com/trilogy-libraries/trilogy) - a client library for MySQL-compatible database servers, designed for performance, flexibility, and ease of embedding. [MIT]
 * [UStore](https://github.com/unum-cloud/ustore) - Multi-Modal database for BLOBs, JSON, and graphs. [Apache2]
 * [Velox](https://github.com/facebookincubator/velox) - A C++ vectorized database acceleration library aimed to optimizing query engines and data processing systems. [Apache-2.0] [website](https://velox-lib.io/)