Examine source code of Reuploader

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.1.2",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "developer": {
    "name": "Inirit",
    "url": "https://github.com/Inirit"
  },
  "homepage_url": "https://github.com/Inirit/Reuploader",
  "permissions": [
    "<all_urls>",
    "contextMenus",
    "storage",
    "clipboardWrite",
    "notifications",
    "identity"
  ],
  "background": {
    "page": "dist/background/background.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "node_modules/webextension-polyfill/dist/browser-polyfill.js",
        "dist/content/js/content.bundle.js"
      ]
    }
  ],
  "options_ui": {
    "page": "dist/options/options.html",
    "browser_style": true
  },
  "icons": {
    "48": "./images/up_arrow_48.png"
  },
  "applications": {
    "gecko": {
      "id": "{c2756713-0271-4423-b922-b2dac90f6690}"
    }
  }
}