docs(readme): point stars badge at the repo, not /stargazers (#948)

GitHub now returns 404 for /stargazers to logged-out clients (it does
for every repository), so the badge target was a dead link for anonymous
visitors and the docs link-checker (#727) fails on every PR.

Signed-off-by: Joe Grund <grundjoseph@gmail.com>

Author: jgrund

README.md

@@ -192,7 +192,7 @@ Created and maintained by [Pavel Volkov](https://github.com/devitway)
 
 [![Docs](https://img.shields.io/badge/docs-getnora.dev-green?logo=gitbook)](https://getnora.dev)
 [![Telegram](https://img.shields.io/badge/Telegram-Community-blue?logo=telegram)](https://t.me/getnora)
-[![GitHub Stars](https://img.shields.io/github/stars/getnora-io/nora?style=flat&logo=github)](https://github.com/getnora-io/nora/stargazers)
+[![GitHub Stars](https://img.shields.io/github/stars/getnora-io/nora?style=flat&logo=github)](https://github.com/getnora-io/nora)
 
 ## Contributing