Examine source code of Zip Speech

{
  "manifest_version": 3,
  "name": "Zip Speech",
  "version": "1.0",
  "description": "Give a voice to the voiceless in Google Meet.",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "activeTab"
  ],
  "host_permissions": [
    "https://translate.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content-bridge.js",
        "injector.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://meet.google.com/*"
      ],
      "js": [
        "content-main.js"
      ],
      "world": "MAIN",
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content-main.js"
      ],
      "matches": [
        "https://meet.google.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "apps@zipcaptions.app",
      "strict_min_version": "120.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}