docs: fix root Manual, README, User_Script_Plug-in — boot drive paths, 15min watchdog, scheduler setup replaces User Scripts section

README.md

@@ -612,7 +612,7 @@ Sunday morning block (6–11am):
 What actually happens on a typical day, from the ecosystem's perspective:
 
 ```
-Throughout the day (every minute via watchdog_orchestrator.sh):
+Throughout the day (every 15 minutes via watchdog_orchestrator.sh):
   resource_watchdog.sh        managing: system pressure (throttle/pause/stop)
   docker_watchdog.sh          healing: memory leaks, HTTP failures, required containers
   system_watchdog.sh          watching: system components (storage growth, WebGUI)
@@ -858,5 +858,5 @@ Things that are different from what you might expect:
 ```
 Name:         Varaverk
 Repository:   git@192.168.50.2:Varaverk/varaverk.git
-Install path: /mnt/user/appdata/Varaverk
+Install path: /boot/config/plugins/varaverk
 ```