Examine source code of Elorus time tracking

{
  "short_name": "Elorus",
  "name": "Elorus time tracking",
  "description": "Use your browser to track time effortlessly and boost your productivity.",
  "author": "Elorus",
  "manifest_version": 2,
  "version": "1.0.22",
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "19": "icons/fav-disabled-19x19.png",
      "38": "icons/fav-disabled-19x19.png"
    },
    "default_popup": "popup.html",
    "default_title": "Elorus time tracking"
  },
  "icons": {
    "128": "icons/favicon-128x128.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "*://*.elorus.com/*",
    "*://app.asana.com/*",
    "*://*.atlassian.net/*",
    "*://trello.com/*",
    "alarms",
    "notifications",
    "storage",
    "tabs"
  ],
  "web_accessible_resources": [
    "icons/fav-enabled-38x38.png",
    "static/media/*.woff"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7bf03ff5-e43f-4b99-a925-5d3867c4d144}"
    }
  }
}