Smart Prevent Duplicate Tabs Firefox

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manifest.json
{
  "author": "Guilherme Nascimento",
  "name": "Prevent Duplicate Tabs",
  "description": "Prevent duplicate tabs",
  "version": "0.7.10",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "images/icon.png",
    "32": "images/32x.png",
    "48": "images/48x.png",
    "128": "images/128x.png"
  },
  "browser_action": {
    "default_icon": "images/icon.png",
    "default_popup": "views/popup.html#popup"
  },
  "options_ui": {
    "page": "views/popup.html#config"
  },
  "background": {
    "scripts": [
      "js/boot.js",
      "js/background.js"
    ]
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e80594de-acca-4551-af7a-c9bd9d2f3388}"
    }
  }
}

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