Examine source code of Time Tracker

{
  "manifest_version": 3,
  "name": "Time Tracker",
  "version": "1.3.1",
  "author": "Anna Molodtsova and Kirill Shakirov",
  "description": "Allows to track time spent for certain project.",
  "homepage_url": "https://github.com/annamolodtsova/timetracker_extension",
  "icons": {
    "32": "icons/app_icon_light_32.png",
    "48": "icons/app_icon_light_48.png",
    "64": "icons/app_icon_light_64.png",
    "96": "icons/app_icon_light_96.png",
    "128": "icons/app_icon_light_128.png"
  },
  "action": {
    "default_icon": "icons/app_icon_light_64.png",
    "default_title": "Time Tracker",
    "theme_icons": [
      {
        "dark": "icons/app_icon_dark_32.png",
        "light": "icons/app_icon_light_32.png",
        "size": 32
      },
      {
        "dark": "icons/app_icon_dark_48.png",
        "light": "icons/app_icon_light_48.png",
        "size": 48
      },
      {
        "dark": "icons/app_icon_dark_64.png",
        "light": "icons/app_icon_light_64.png",
        "size": 64
      },
      {
        "dark": "icons/app_icon_dark_96.png",
        "light": "icons/app_icon_light_96.png",
        "size": 96
      },
      {
        "dark": "icons/app_icon_dark_128.png",
        "light": "icons/app_icon_light_128.png",
        "size": 128
      }
    ]
  },
  "background": {
    "scripts": [
      "extButtonAction.js"
    ]
  },
  "permissions": [
    "unlimitedStorage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "time_tracker@github.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "id": "time_tracker@github.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}