Examine source code of Tip Translator

{
  "manifest_version": 3,
  "name": "Tip Translator",
  "version": "1.2.1",
  "description": "Quick text translation with multi-language interface support",
  "browser_specific_settings": {
    "gecko": {
      "id": "@tip-translator",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://libretranslate.de/*",
    "https://api.mymemory.translated.net/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "persistent": false
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "localization.js",
        "content/content.js"
      ],
      "css": [
        "content/tooltip.css"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "content/tooltip.css",
        "localization.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}