Examine source code of Note Reviewer

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.2.5",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "downloads",
    "scripting",
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://infinitycodellc.com/*",
    "*://*.officepuzzle.com/*",
    "*://*.abamatrix.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Note Reviewer",
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png",
      "48": "icon/48.png",
      "128": "icon/128.png"
    }
  },
  "commands": {
    "trigger-review-note": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y",
        "windows": "Ctrl+Shift+Y",
        "linux": "Ctrl+Shift+Y"
      },
      "description": "__MSG_commandReviewNote__"
    },
    "trigger-download-review-pdf": {
      "suggested_key": {
        "default": "Ctrl+Shift+U",
        "mac": "Command+Shift+U",
        "windows": "Ctrl+Shift+U",
        "linux": "Ctrl+Shift+U"
      },
      "description": "__MSG_commandDownloadReviewPdf__"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icon/*",
        "icon.svg"
      ],
      "matches": [
        "*://*.officepuzzle.com/*",
        "*://*.abamatrix.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "notereview.dev@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "authenticationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.abamatrix.com/*",
        "*://*.officepuzzle.com/*"
      ],
      "css": [
        "content-scripts/content.css"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}