rework: AddOns #36

configs

• sequence of loading config:

  1. public
  2. private
  3. area
  4. page
  5. addOns

• addOn config:

  # register Add-Ons
  [addons]
  autoRegister = FALSE
  register[]   = '$addOnName' (only if autoRegister is disabled)
  
  # configure the add-on "example" in "public/addons/example/addon.ini"
  [addon-example]
  version      = 'Version: 1.0.0'               (required)
  mapVersion[] = 'Version: 1.0.1'               (min. one supported version)
  initClass    = 'ClassObject: foo/bar/Example' (default: NULL)
  

🔴 Auto-Register

• register all add-ons in AddOn::$PATH_ADDONS
• logs an error if add-on is invalid or not compatible