Examine source code of Parallel Translate

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.2.11",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png",
    "256": "icon/256.png"
  },
  "default_locale": "en",
  "homepage_url": "https://paralleltranslate.app",
  "permissions": [
    "storage",
    "alarms",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2c772f7-2399-46f6-ae20-f8460ac1dcfa}",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "web_accessible_resources": [
    "vocabularies/a2-core.json",
    "content-runtime.js",
    "chunks/*.js"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "__MSG_extensionActionTitle__",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}