Examine source code of Motrix Next Extension

{
  "manifest_version": 3,
  "name": "__MSG_ext_name__",
  "description": "__MSG_ext_description__",
  "version": "1.3.5",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "downloads",
    "storage",
    "contextMenus",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "cookies"
  ],
  "optional_permissions": [],
  "host_permissions": [
    "http://127.0.0.1/*",
    "http://localhost/*",
    "https://*/*",
    "http://*/*"
  ],
  "optional_host_permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "motrix-next-extension@aninsomniacy.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Motrix Next",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}