Examine source code of Olorin Auto-Printer

{
  "manifest_version": 3,
  "name": "Olorin",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "icons": {
    "16": "images/icons/icon16.png",
    "32": "images/icons/icon32.png",
    "48": "images/icons/icon48.png",
    "128": "images/icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "permissions": [],
  "host_permissions": [
    "http://localhost:9696/*",
    "ws://localhost:9696/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "olorin@kylehall.info",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "version": "2.0.0"
}