Fix broken link in README (#49)

Co-authored-by: Joakim Sørensen <[email protected]>

Author: 36degrees

README.md

@@ -4,4 +4,4 @@
 wget -O - https://get.hacs.xyz | bash -
 ```
 
-https://hacs.xyz/docs/setup/prerequisites
+https://hacs.xyz/docs/use/download/prerequisites