Examine source code of Odoo Barcode Scanner

{
  "manifest_version": 3,
  "name": "Odoo Barcode Scanner",
  "version": "1.1.3",
  "description": "Odoo Barcode Scanner Emulator",
  "icons": {
    "16": "icons/icon_16.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting"
  ],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content.js"
      ],
      "matches": [
        "https://*/*",
        "http://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "odoo-barcode@nuprod.fr",
      "strict_min_version": "109.0"
    }
  }
}