Fix Markdown link syntax in README

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Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: cv

README.md

@@ -1,6 +1,6 @@
 # mcs
 
-CLI for connected vehicle services.
+A simple, unofficial CLI for [Mazda Connected Services](https://approval.mymazda.com/MyMazda/mazdaConnectedServices.action), ported from [pymazda](https://github.com/ungineer/pymazda).
 
 ## Install