update README

Author: tomaz1502

README.md

@@ -11,5 +11,5 @@ A plugin for [Obsidian](https://obsidian.md) providing live syntax highlight for
 - Click Install
 - Once installed, close the community plugins window and activate the newly installed plugin
 
-Note: This plugin is mostly a fork from [cm-editor-syntax-highlight-obsidian](https://github.com/deathau/cm-editor-syntax-highlight-obsidian)
+Note: This plugin is mostly a fork from [cm-editor-syntax-highlight-obsidian](https://github.com/deathau/cm-editor-syntax-highlight-obsidian) and from [obsidian-mlir-syntax-highlight](https://github.com/Lewuathe/obsidian-mlir-syntax-highlight),
 but only providing support for Lean (as other languages are already natively supported by Obsidian).