Examine source code of ATT&CK Powered Suit

{
  "manifest_version": 3,
  "author": "MITRE Center for Threat-Informed Defense <ctid@mitre.org>",
  "name": "ATT&CK Powered Suit",
  "description": "Powered Suit puts the MITRE ATT&CK® knowledge base at your fingertips. Instantly search ATT&CK techniques, groups, and more.",
  "version": "1.12.0",
  "icons": {
    "32": "image/icon-32.png",
    "48": "image/icon-48.png",
    "128": "image/icon-128.png"
  },
  "minimum_chrome_version": "101",
  "background": {
    "scripts": [
      "build/worker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "attack_powered_suit@mitre-engenuity.org"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "build/content.js"
      ]
    }
  ],
  "omnibox": {
    "keyword": "&"
  },
  "permissions": [
    "clipboardWrite",
    "contextMenus",
    "storage",
    "tabs"
  ],
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "32": "image/icon-32.png",
      "48": "image/icon-48.png"
    }
  },
  "options_ui": {
    "page": "index.html?view=settings",
    "browser_style": true
  }
}