Examine source code of Bladead Lead Capture

{
  "manifest_version": 3,
  "name": "Bladead Lead Capture",
  "short_name": "Bladead",
  "version": "0.1.2",
  "description": "Capture emails from the page and save them to Bladead Contacts.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Bladead",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "lib/storage.js",
      "lib/api.js",
      "lib/emails.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "lead-capture@bladead.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "browsingActivity",
          "websiteContent"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "host_permissions": [
    "https://api.bladead.com/*",
    "https://*.bladead.com/*",
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "lib/emails.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ]
}