Examine source code of HM Application Tracker

{
  "manifest_version": 3,
  "name": "Hire.Monster: Application Tracker",
  "version": "1.8",
  "description": "Add jobs from any page to your Hire.Monster tracker.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Add to application tracker",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_popup": "popup.html"
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "Hire.Monster Tracker",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "config.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "i18n-messages.js",
        "config.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "identity",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://hire.monster/*",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hiremonster-tracker@hire.monster",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteContent"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}