-Moved several installation functions to individual scripts that will run as systemd processes for updating/installing; This is phase 1 in creating an automatic update system
-Merged ttyd into simpleadmin as it is now part of simpleadmin as "console"
Reduce to check date every 30 seconds to ensure every minute is captured
Added logging last 100 lines to /tmp/simpleupdate.log
Configuration Validation: Ensures that only one update frequency setting is active and correctly defined, avoiding misconfigurations.