correct link in readme

Author: infeo

README.md

@@ -15,7 +15,7 @@
 
 ### Security Architecture
 
-For more information on the security details, visit [cryptomator.org](https://cryptomator.org/architecture/).
+For more information on the security details, visit [docs.cryptomator.org](https://docs.cryptomator.org/en/latest/security/architecture/).
 
 ## Audits