Bookmark in webpage

This addon gives you the ability to bookmark inside of a webpage
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manifest.json
{
  "description": "This addon gives you the ability to bookmark inside of a webpage",
  "manifest_version": 2,
  "name": "Bookmark in webpage",
  "version": "3.1.4",
  "homepage_url": "https://github.com/deepanshu44/pb-addon",
  "browser_action": {
    "default_icon": "./directory/ylw-pushpin.png",
    "default_title": "Bookmark in Webpage"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "BookmarkInPage.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "content.css"
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3d3ffc1-fde4-44f9-bd06-0ea24997f059}"
    }
  }
}