Update develop/toolkit/api-libraries/.pages

Co-authored-by: Copilot <[email protected]>

Author: nhussein11

develop/toolkit/api-libraries/.pages

@@ -5,6 +5,6 @@ nav:
   - ':simple-typescript: Polkadot-API': papi.md
   - ':simple-javascript: Polkadot.js API': polkadot-js-api.md
   - ':simple-python: Python Substrate Interface': py-substrate-interface.md
-  - ':simple-javascript: Sidecar Rest API ': sidecar.md
+  - ':simple-javascript: Sidecar Rest API': sidecar.md
   - ':simple-rust: Subxt': subxt.md