chore: fix typo in the readme

Author: arnecls

README.md

@@ -17,7 +17,7 @@ lightweight than the official SDK.
 ## Maintenance and PRs
 
 This repository is in active development but is not our main focus.  
-PRs are wolcome, but will take some time to be reviewed.
+PRs are welcome, but will take some time to be reviewed.
 
 ## License