Examine source code of OmniTranslate

{
  "manifest_version": 2,
  "name": "OmniTranslate",
  "description": "Companion extension for OmniTranslate's web translator.",
  "version": "0.0.9",
  "icons": {
    "16": "icon-16.png",
    "24": "icon-24.png",
    "48": "icon-48.png",
    "96": "icon-96.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "tabs",
    "scripting",
    "activeTab",
    "https://*/*",
    "http://*/*",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "omni@omni.app",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "developer": {
    "name": "Omni",
    "url": "https://readomni.com"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://app.daoseeking.com/*",
        "*://app.readomni.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}