HTTP proxy for API testing website Firefox

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manifest.json
{
  "manifest_version": 2,
  "name": "HTTP proxy for API testing website",
  "version": "0.1.2",
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "axios.js",
      "request.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://test.onapis.com/*",
        "*://localhost/*"
      ],
      "js": [
        "browser-polyfill.js",
        "content-script.js"
      ]
    }
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "*://*/*"
  ],
  "externally_connectable": {
    "matches": [
      "*://localhost/*",
      "*://test.onapis.com/*"
    ]
  }
}

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