Examine source code of Menu Crous Lyon

{
  "manifest_version": 2,
  "name": "Menu Crous Lyon",
  "short_name": "menu-crous-lyon",
  "description": "Extension permettant de récupérer le menu du jour du restaurant Crous de Bron.",
  "version": "1.1resigned1",
  "browser_action": {
    "default_icon": {
      "16": "./icons/icon-16.png",
      "32": "./icons/icon-32.png"
    },
    "default_title": "Menu Crous Lyon",
    "default_popup": "popup.html"
  },
  "permissions": [
    "*://*.crous-lyon.fr/*",
    "https://www.crous-lyon.fr/*"
  ],
  "icons": {
    "16": "./icons/icon-16.png",
    "32": "./icons/icon-32.png",
    "48": "./icons/icon-48.png",
    "96": "./icons/icon-96.png",
    "128": "./icons/icon-128.png",
    "256": "./icons/icon-256.png"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+C"
      }
    }
  },
  "author": "Louis Grasset / Amina Tsougaev <hello@louisgrasset.fr> (louisgrasset.fr)",
  "browser_specific_settings": {
    "gecko": {
      "id": "{c0f3b2c0-3105-4b3c-9c4d-2186b4ce3f8e}"
    }
  }
}