Examine source code of Bias Shield

{
  "manifest_version": 2,
  "name": "Bias Shield",
  "version": "1.4",
  "description": "Push back against bias in machine translation",
  "homepage_url": "https://www.biasshield.org/",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "180": "icons/icon-180.png",
    "192": "icons/icon-192.png",
    "500": "icons/icon-500.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://translate.google.com/*",
        "https://www.deepl.com/*"
      ],
      "js": [
        "biasshield.js"
      ],
      "css": [
        "biasshield.css"
      ]
    }
  ],
  "permissions": [
    "https://xrayapi20220103180040.azurewebsites.net/",
    "https://debiasbyus.ugent.be/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fbc270c5-b992-410b-989f-81064a7d6dfa}"
    }
  }
}