• Added RPM installation support for RedHat-like distributions via:
  https://repo.incidentrelay.io/incidentrelay.repo
• Added systemd services for RPM installs:
  • incidentrelay-web
  • incidentrelay-scheduler
  • incidentrelay-telegram-worker
• Added alert detail deep links:
  /alerts/<alert_id>
• Added alert web links to notifications, including Mattermost and Telegram Open alert button.
• Improved alert duration calculation with UTC-safe timestamps and resolved_at.
• Applied notify_on_severities consistently to notifications, reminders, escalations, and status updates.
• Cleaned up voice channel configuration: provider settings are now server-side.
• Disabled teams are now shown only on the Teams page.
• Fixed login page error feedback for invalid credentials.
• Added stricter validation for token names, descriptions, display names, contact IDs, and phone numbers.
• Updated README and Getting Started docs, including RPM installation guide.