Examine source code of iRobo Web

{
  "manifest_version": 2,
  "name": "iRobo 2",
  "version": "0.0.2.7",
  "description": "iRobo extension used at web automation",
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtkgtISDlX0EEXRga/jWU+7xNWXSm2YMcxoWqpWPRnQjXmTNLUGAmOqlKoehO8mnN9eLx828XrD79WG7dyBZ2Uafd90CLEF2Cjlzkix+6IceZS5UEJueod+o2hBRJMYA0VYWlbjTu8QwtkTrYFKVpTlneQZp7vj9lMcS/61d7af0083P6lwWT7aNT5sBlZAIntKHIrNY7636roCPPjMWRk9/wrAKp60+SyE1YppO0YaX6DccMVZTIKvhsAc/2DGmQhnL8Rjp8TsY4m5c2I1w1Jk267leBNWNR0QbkVcm++lbDuNneXGP914Ds+5wzld+30jGUKDOsweDCiXIJ4aGomQIDAQAB",
  "permissions": [
    "tabs",
    "nativeMessaging",
    "<all_urls>",
    "webNavigation",
    "downloads"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sandbox": {
    "pages": [
      "sandbox.html"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": "script-src 'self' ; object-src 'self'",
  "icons": {
    "128": "iRobo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@hypercap.ai"
    }
  }
}