Examine source code of PokeOne Time

{
  "manifest_version": 2,
  "name": "PokeOne Time",
  "version": "1.5",
  "permissions": [
    "http://api.gamernationnetwork.ga/",
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "PokeOne Time"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b629b5b3-d3f4-4f8f-bad6-f5169d8c722f}",
      "strict_min_version": "57.0"
    }
  }
}