Examine source code of Translator for Telegram™ Web

{
  "manifest_version": 2,
  "name": "Translator for Telegram™ Web",
  "description": "Support multiple translation engines, intelligent recognition of scene languages, and translation using the enter key (unofficial)",
  "version": "3.1.1",
  "icons": {
    "16": "assets/logo.png",
    "48": "assets/logo.png",
    "128": "assets/logo.png"
  },
  "default_locale": "en",
  "homepage_url": "https://www.shopibar.com/plugins",
  "browser_action": {
    "default_popup": "popup.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "windows": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y",
        "chromeos": "Ctrl+Shift+U",
        "linux": "Ctrl+Shift+J"
      }
    },
    "translator": {
      "suggested_key": {
        "windows": "Ctrl+X",
        "mac": "Command+X",
        "chromeos": "Ctrl+X",
        "linux": "Ctrl+X"
      },
      "description": "Support multiple translation engines, intelligent recognition of scene languages, and translation using the enter key (unofficial)"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://web.telegram.org/*"
      ],
      "js": [
        "contentscript-loader-content.193ffc7c.js"
      ],
      "run_at": "document_start",
      "css": [
        "assets/index.a000c169.css",
        "assets/content.2ba3fb0a.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "assets/background.be4f1f65.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "assets/*",
    "assets/content.2ba3fb0a.css",
    "assets/materialdesignicons-webfont.0b183104.eot",
    "assets/materialdesignicons-webfont.662fefa8.woff2",
    "assets/materialdesignicons-webfont.a5928a0d.woff",
    "assets/materialdesignicons-webfont.61e8aba5.ttf",
    "assets/index.1f72b9b1.js",
    "assets/openai_lang.70f19955.js",
    "assets/content.193ffc7c.js"
  ],
  "permissions": [
    "storage",
    "scripting"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "optional_host_permissions": [
    "https://api-free.deepl.com/",
    "https://api.deepl.com/"
  ],
  "host_permissions": [
    "https://web.telegram.org/*",
    "https://www.colorcoms.com/*",
    "*://translate.google.com/*",
    "*://translate.volcengine.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{408ec56f-705d-40df-806a-8fd592a6c9ac}"
    }
  }
}