Examine source code of SourceBreaker

{
  "manifest_version": 2,
  "name": "SourceBreaker App",
  "description": "Provides quick access to searches",
  "version": "3.5.0",
  "browser_action": {
    "default_icon": "icon-big.png",
    "default_title": "SourceBreaker App"
  },
  "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": [
    "js/*",
    "css/*",
    "images/*",
    "fonts/*",
    "templates/*",
    "background.js",
    "index.js",
    "inject.js",
    "index.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "index.js"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self' 'unsafe-inline'; connect-src https://*.sentry.io https://*.pusher.com wss://*.pusher.com https://*.pendo.io https://api.ipify.org https://market-info.sourcebreaker.com https://market-info-service.sourcebreaker.dev https://app.sourcebreaker.com/ https://app.sourcebreaker.com/api https://beta.sourcebreaker.com/",
  "browser_specific_settings": {
    "gecko": {
      "id": "{2eecca3d-b45d-471e-b6be-d4d96f0201f4}"
    }
  }
}