Examine source code of La Bulle Elix

{
  "manifest_version": 2,
  "name": "La Bulle Elix",
  "description": "Accédez à la traduction de mots et leur définition en langue des signes française instantanément !",
  "version": "1.0.15",
  "author": "Mathieu Canzerini",
  "browser_action": {
    "default_icon": "assets/icon-bitty.png",
    "default_title": "La Bulle Elix",
    "default_popup": "popup.html"
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "storage",
    "*://elix-api-preprod.cleverapps.io/*"
  ],
  "icons": {
    "16": "assets/icon-bitty.png",
    "48": "assets/icon-small.png",
    "128": "assets/icon-large.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "css": [
        "assets/main.css"
      ],
      "js": [
        "assets/underscore-min.js",
        "assets/jquery.min.js",
        "contentscripts.js"
      ],
      "run_at": "document_end",
      "matches": [
        "https://*/*",
        "http://*/*"
      ]
    }
  ],
  "web_accessible_resources": [
    "web/*",
    "assets/*",
    "static/css/*",
    "static/js/*",
    "resources/*"
  ]
}