Examine source code of Solfla‮er

{
  "manifest_version": 2,
  "name": "Extension",
  "browser_action": {
    "default_title": "Extension",
    "default_icon": "logo.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "clipboardWrite",
    "activeTab",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "icons": {
    "16": "logo.png",
    "32": "logo.png",
    "48": "logo.png",
    "128": "logo.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b4f7e2a1-3c9d-4e6b-8f0a-5d2c7e9b1a4f}",
      "strict_min_version": "115.0"
    }
  },
  "version": "12.8.1"
}