add short desc.

Author: kargaranamir

README.md

@@ -2,6 +2,8 @@
 
 ## GlotScript Resource
 
+What writing system is each language written in?
+
 See [metadata folder](./metadata/).
 
 ## GlotScript Tool
@@ -87,4 +89,4 @@ author       = {Kargaran, Amir Hossein and Yvon, Fran{\c{c}}ois and Sch{\"u}tze,
 year         = 2023,
 journal      = {arXiv preprint arXiv:2309.13320}
 }
-```
+```