Examine source code of Portal Time Tracker

{
  "manifest_version": 2,
  "name": "Portal Time Tracker",
  "version": "1.0.4",
  "description": "Quick time tracking for portal services. Log time entries without leaving your current task.",
  "browser_specific_settings": {
    "gecko": {
      "id": "portal-time-tracker@portal.app",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "websiteActivity",
          "browsingActivity"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "alarms",
    "notifications",
    "http://localhost/*",
    "https://localhost/*",
    "https://portal.deploy.co.uk/*"
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    },
    "default_title": "Portal Time Tracker"
  },
  "background": {
    "scripts": [
      "lib/browser-polyfill.js",
      "lib/config.js",
      "lib/storage.js",
      "background/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*/*/issues/*"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "content-scripts/github.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://app.clickup.com/*"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "content-scripts/clickup.js"
      ],
      "run_at": "document_end"
    },
    {
      "matches": [
        "https://trello.com/*"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "content-scripts/trello.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "web_accessible_resources": [
    "assets/icons/icon16_red.png",
    "assets/icons/icon48_red.png",
    "assets/icons/icon128_red.png"
  ]
}