add Murex shell to list of shells

Author: lmorg

README.md

@@ -44,6 +44,7 @@ A curated list of awesome command-line frameworks, toolkits, guides and gizmos.
 * [ion](https://github.com/redox-os/ion) - A modern system shell that features a simple, yet powerful, syntax. It is written entirely in Rust.
 * [ksh93](https://github.com/att/ast) - Korn Shell
 * [mksh](https://github.com/MirBSD/mksh) - MirBSD Korn Shell
+* [murex](https://github.com/lmorg/murex) - A smarter shell and scripting environment with advanced features designed for usability, safety and productivity (eg smarter DevOps tooling)
 * [ngs](https://github.com/ngs-lang/ngs) - Fully featured scripting language created specifically for Ops. REPL is being developed.
 * [nushell](https://github.com/nushell/nushell) - A modern shell written in Rust
 * [oksh](https://github.com/ibara/oksh) - Portable OpenBSD ksh