Examine source code of Shaarli

{
  "name": "Web Extension for Shaarli",
  "description": "Share your link to your Shaarli on Firefox Quantum",
  "version": "2.2.2",
  "homepage_url": "https://github.com/ikipatang/shaarli-web-extension",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "shaarli@imirhil.fr",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "resources/icons/icon-48.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "options_ui": {
    "page": "src/options/options.html"
  },
  "background": {
    "scripts": [
      "src/storage.js",
      "src/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "resources/icons/icon-24.png",
    "default_title": "Share",
    "default_popup": "src/menu/menu.html"
  },
  "page_action": {
    "browser_style": false,
    "default_icon": "resources/icons/icon-24.png",
    "default_title": "Share"
  }
}