feat: BREAKING CHANGE - overhaul

[dsavell]

• [x] Install Grav
• [x] Install plugin function
• [x] Mount grav/backup directory options
• [x] Mount grav/user directory options
• [x] Update plugins function
• [x] Backup function
• [x] Compile nginx config function
• [x] Provide .env example file
• [x] Fix scheduler not working in the admin UI.
• [x] Add Nginx Logging & Grav logging.
• [ ] Support Grav Multisite
• [x] Add support for ARM
• [ ] CI Pipeline
  • [x] Add multi-arch support amd64,arm64
  • [x] Add docker build cache to speed up docker build steps
  • [x] Test for listening on port 80
  • [x] Test for frontpage access
  • [x] Test update plugins function
  • [x] Test backup function
• [ ] Documentation
  • Setup
    • How to run with Docker Run
    • How to run with Docker Compose
    • Server Settings
    • Nginx Settings
    • Guides
      • How to update Grav
      • How to install plugins
      • How to update plugins

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