Document that the same install script is used for updates

Author: robertpiosik

README.md

@@ -28,6 +28,9 @@ curl -fsSL https://github.com/CodeWebChat/CWC/raw/refs/heads/main/install.sh | b
 powershell -c "irm https://github.com/CodeWebChat/CWC/raw/refs/heads/main/install.ps1 | iex"
 ```
 
+> [!NOTE]
+> The same script is used for updates.
+
 ## Privacy-first
 
 No code, prompts, or usage data are collected.