Watchdogs/ docs: new README + Manual, update affected folders
New docs:
Watchdogs/README-Watchdogs.md — design, relationships, script table, state file map
Watchdogs/Manual-Watchdogs.md — full config reference for all 4 watchdogs
Docker_Essentials/:
README — remove docker_watchdog, update folder description and diagrams
Manual — strip watchdog config sections, add pointer to Watchdogs/Manual
unRAID_Essentials/:
README — remove system/resource watchdog, update diagrams and script table
Manual — strip system/resource watchdog sections, update TOC + config reference
README.md:
Add Watchdogs/ to folder structure
Fix "WHAT RUNS WHEN" — watchdogs run via orchestrator every minute, not array start
Fix daily cycle and monitoring diagrams