Examine source code of Daily Logic Brain Teaser

{
  "manifest_version" : 2 ,
  "name" : "Daily Logic Brain Teaser",
  "version" : "1.0",
  "description" : "Challenge your mind with a daily logic and computer science puzzle. Sharpen your problem-solving skills every day!",
  "icons" : {
    "48" : "logic_brain_icon.png"
  },
  "browser_action" : {
    "default_popup" : "index.html",
    "default_title" : "Daily Logic Brain Teaser"
  },
  "permissions" : [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4c3c595d-714c-412b-90cb-d5ded2c2d8a5}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}