Examine source code of I2Proxy

{
  "manifest_version": 3,
  "name": "I2Proxy",
  "version": "19.8",
  "description": "A web browser extension for accessing I2P network anonymously",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "proxy",
    "storage",
    "history",
    "browsingData",
    "tabs",
    "scripting",
    "cookies",
    "activeTab",
    "declarativeNetRequestWithHostAccess"
  ],
  "optional_permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "i2p-proxy@nemesis",
      "strict_min_version": "91.1.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon/icon.png"
    }
  },
  "icons": {
    "48": "icon/icon.png"
  },
  "page_action": {
    "default_icon": {
      "48": "icon/padlock.png"
    },
    "default_title": "padlock"
  },
  "host_permissions": [
    "<all_urls>"
  ]
}