Examine source code of mot-signe LSFB

{
  "manifest_version": 3,
  "name": "mot-signe LSFB",
  "version": "0.2.0",
  "description": "Outil de traduction du français vers la Langue des Signe Francophone de Belgique (LSFB).",
  "action": {
    "default_title": "Traduire en LSFB",
    "default_icon": {
      "16": "icons/16x16.png",
      "48": "icons/48x48.png",
      "128": "icons/128x128.png"
    }
  },
  "options_page": "options.html",
  "permissions": [
    "activeTab",
    "storage",
    "contextMenus"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://fonts.gstatic.com;"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/contentScript.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background/backgroundScript.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "mosi@mot-signe.be",
      "strict_min_version": "137.0"
    },
    "gecko_android": {
      "strict_min_version": "137.0"
    }
  }
}