Update README.md

Author: Zenlua

README.md

@@ -92,6 +92,12 @@ Want to help translate Tool-Tree?
 
 - [Shell language packs](https://github.com/Zenlua/Tool-Tree/tree/main/app/src/main/assets/home/etc/lang)
 
+- [Addon](https://github.com/Zenlua/Tool-Tree/tree/main/.github/module/ZADD)
+
+- [Apkon](https://github.com/Zenlua/Tool-Tree/tree/main/.github/module/ZAPK)
+
++ For language utilities, they are usually located in the language.bash file within the directories.
+
 Contributions are always welcome ❤️
 
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