Examine source code of namesample

{
  "manifest_version": 3,
  "name": "name",
  "description": "description",
  "version": "1.0",
  "icons": {},
  "action": {},
  "background": {
    "scripts": [
      "start.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery-3.5.0.min.js",
        "content.js"
      ]
    }
  ],
  "permissions": [
    "alarms",
    "tabs",
    "webRequest",
    "webNavigation",
    "scripting",
    "storage",
    "unlimitedStorage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sonjeeiche@gmail.com",
      "strict_min_version": "91.0"
    }
  }
}