Examine source code of Spelling Bee Hints

{
  "author": "Dovetail",
  "description": "Hints for the NYT Spelling Bee",
  "manifest_version": 3,
  "name": "Spelling Bee Hints",
  "version": "3.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae24f3e4-8a86-43d8-a60b-cb1a84e26151}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.nytimes.com/puzzles/spelling-bee*",
    "https://spellingbeehints.com/answers/*"
  ],
  "action": {
    "default_icon": {
      "16": "icons/hints-16.png",
      "24": "icons/hints-24.png",
      "32": "icons/hints-32.png",
      "48": "icons/hints-48.png",
      "64": "icons/hints-64.png",
      "128": "icons/hints-128.png"
    },
    "default_area": "navbar",
    "default_popup": "popup/popup.html",
    "default_title": "Spelling Bee Hints"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.nytimes.com/puzzles/spelling-bee*"
      ],
      "exclude_matches": [
        "https://www.nytimes.com/puzzles/spelling-bee/hub"
      ],
      "js": [
        "scripts/content.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/hints-16.png",
    "24": "icons/hints-24.png",
    "32": "icons/hints-32.png",
    "48": "icons/hints-48.png",
    "64": "icons/hints-64.png",
    "128": "icons/hints-128.png"
  }
}