Examine source code of SourceBreaker 2.0

{
  "manifest_version": 2,
  "name": "SourceBreaker 2.0",
  "description": "Provides quick access to searches",
  "version": "3.12.0",
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "SourceBreaker 2.0"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "default_locale": "en",
  "permissions": [
    "http://*/*",
    "https://*/*",
    "clipboardWrite",
    "tabs",
    "notifications",
    "cookies",
    "storage"
  ],
  "web_accessible_resources": [
    "templates/*",
    "background.js",
    "index.js",
    "linkedin.js",
    "ui.app.js",
    "debug-window.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "index.js"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; connect-src https://*.sentry.io https://*.pusher.com wss://*.pusher.com https://*.pendo.io https://api.ipify.org *.sourcebreaker.dev *.sourcebreaker.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "{4e80b141-21da-4452-80ce-c6dbda1a943d}"
    }
  }
}