Examine source code of SkillMate for Workday

{
  "manifest_version": 3,
  "name": "SkillMate for Workday",
  "version": "1.0.1",
  "description": "Effortlessly auto-fill and select your skills on Workday job applications in seconds. Users are advised to review and verify all skill entries on their application prior to final submission.",
  "icons": {
    "16": "assets/icons/icon16.png",
    "32": "assets/icons/icon32.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "SkillMate for Workday",
    "default_icon": {
      "16": "assets/icons/icon16.png",
      "32": "assets/icons/icon32.png",
      "48": "assets/icons/icon48.png",
      "128": "assets/icons/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "skillmate-for-workday@extension",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://*.myworkdayjobs.com/*",
    "*://*.workday.com/*",
    "*://*.workday.net/*"
  ],
  "background": {
    "service_worker": "background/background.js",
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.myworkdayjobs.com/*",
        "*://*.workday.com/*",
        "*://*.workday.net/*"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ]
}