Examine source code of Code Stats Extension

{
  "name": "Code Stats Extension",
  "version": "0.3.5",
  "manifest_version": 3,
  "description": "Browser Extension that push code experience XP from (almost) all web platforms to Code Stats.",
  "icons": {
    "16": "./assets/icons/16x16.png",
    "32": "./assets/icons/32x32.png",
    "48": "./assets/icons/48x48.png",
    "128": "128x128.png"
  },
  "background": {
    "scripts": [
      "./js/background.js"
    ]
  },
  "action": {
    "default_icon": "./assets/icons/128x128.png",
    "default_popup": "./js/popup/popup.html",
    "default_title": "Code::Stats"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./js/content.js",
        "./js/toggleIcons.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "short_name": "Code Stats",
  "author": "bitnulleins",
  "browser_specific_settings": {
    "gecko": {
      "id": "{fd97f004-9c7b-41b6-b264-515b648decac}"
    }
  }
}