docs: update readme with correct link for getting started. (#2271)

Author: xmarkurion

README.md

@@ -115,7 +115,7 @@ https://user-images.githubusercontent.com/30572287/217098893-5880e7de-13d0-42c5-
 
 Since we are updating Homarr very frequently, we recommend reading our official installation guides:
 
-<a href="https://homarr.dev/docs/getting-started/installation/">
+<a href="https://homarr.dev/docs/category/installation-1/">
   <img src="docs/installation-button.png" width="200" />
 </a>