Examine source code of Chooz'it Auto

{
  "name": "Chooz'it Auto",
  "description": "Chooz'it, 1er comparateur d'annonces en ligne.",
  "version": "1.3.26",
  "manifest_version": 2,
  "icons": {
    "16": "./assets/images/icon16.png",
    "32": "./assets/images/icon32.png",
    "48": "./assets/images/icon48.png",
    "128": "./assets/images/icon128.png"
  },
  "background": {
    "scripts": [
      "./src/extension/background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "assets/*",
    "services/*.js",
    "src/extension/external_script.js",
    "src/html/options.html"
  ],
  "browser_action": {
    "default_popup": "./src/html/ios-popup.html",
    "default_icon": {
      "16": "./assets/images/icon-16x16.png",
      "32": "./assets/images/icon-32x32.png",
      "48": "./assets/images/icon-48x48.png",
      "128": "./assets/images/icon-128x128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "./src/helpers/selectors.js"
      ]
    }
  ],
  "options_ui": {
    "page": "./src/html/options.html"
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "storage",
    "scripting",
    "tabs",
    "notifications"
  ],
  "applications": {
    "gecko": {
      "id": "{6a77878e-7868-436f-8522-9ffd1fbb73cf}",
      "strict_min_version": "42.0"
    }
  }
}