Update README to clarify library maintenance status

Author: jasonbosco

README.md

@@ -3,7 +3,7 @@
 [![Crate](https://img.shields.io/crates/v/typesense.svg)](https://crates.io/crates/typesense)
 [![API](https://docs.rs/typesense/badge.svg)](https://docs.rs/typesense)
 
-Rust client library for Typesense | Work In Progress & Help Wanted!
+Community-maintained Rust client library for Typesense | Work In Progress & Help Wanted!
 
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