Examine source code of Blagues API

{
  "permissions": [
    "notifications"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "aureljournet@blagues-api.fr",
      "strict_min_version": "57.0"
    }
  },
  "description": "Des blagues de https://www.blagues-api.fr en diffusion continue lors de votre navigation",
  "manifest_version": 2,
  "name": "Blagues API",
  "version": "1.1.0.2",
  "homepage_url": "https://www.blagues-api.fr",
  "icons": {
    "48": "icons/blagues48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "script.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/blagues16.png",
      "32": "icons/blagues32.png"
    },
    "default_popup": "popup/popup.html"
  },
  "web_accessible_resources": [],
  "background": {
    "scripts": [
      "background-script.js"
    ]
  }
}