manifest.json

{
  "manifest_version": 2,
  "name": "PVN Quick Links SideBar",
  "description": "Displays a sidebar that lets you quickly visit stored links.",
  "version": "1.0",
  "applications": {
    "gecko": {
      "strict_min_version": "54.0a1"
    }
  },

  "sidebar_action": {
    "default_icon": "icons/book.png",
    "default_title" : "Quick Links",
    "default_panel": "sidebar/panel.html"
  },

  "browser_action": {
    "default_icon": "icons/book.png",
    "default_title": "Open Quick Links sidebar"
  },

  "page_action": {
    "default_icon": "icons/add.png",
    "default_title": "Add to Quick Links"
  },

  "background": {
    "scripts": ["sidebar/js/background.js"]
  },

  "permissions": [
        "bookmarks",
        "tabs",
        "activeTab",
        "storage"
  ],

  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+L"
      }
    }
  }
}