Configurable Header Manager Firefox

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manifest.json
{
  "manifest_version": 2,
  "name": "Configurable Header Manager",
  "description": "Add, modify, or remove HTTP request and response headers per URL pattern.",
  "version": "1.2.0",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "header-manager@local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Configurable Header Manager",
    "default_popup": "popup.html"
  }
}

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