Examine source code of SyncMarks-update

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.13.0",
  "default_locale": "en",
  "icons": {
    "48": "icons/bookmark.png"
  },
  "homepage_url": "https://github.com/Wszl/davmarks",
  "applications": {
    "gecko": {
      "strict_min_version": "57.0"
    }
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/bookmark.png",
    "default_title": "__MSG_extensionName__",
    "default_popup": "scripts/popup.html"
  },
  "options_ui": {
    "page": "scripts/options.html",
    "browser_style": true
  },
  "permissions": [
    "notifications",
    "tabs",
    "storage",
    "bookmarks",
    "*://*/*",
    "webRequest"
  ]
}