Examine source code of Capacities Web Extension

{
  "manifest_version": 3,
  "name": "Capacities Web Extension",
  "browser_specific_settings": {
    "gecko": {
      "id": "team@capacities.io",
      "strict_min_version": "109.0"
    }
  },
  "author": "Capacities Labs GmbH",
  "description": "Save website URLs, titles and cover images directly to Capacities.",
  "version": "1.5.10",
  "permissions": [
    "tabs",
    "storage",
    "cookies",
    "nativeMessaging"
  ],
  "host_permissions": [
    "https://app.capacities.io/",
    "https://portal.capacities.io/",
    "http://localhost:3333/",
    "http://18.192.220.44:8000/"
  ],
  "icons": {
    "16": "assets/icon/logo-16.png",
    "32": "assets/icon/logo-32.png",
    "64": "assets/icon/logo-64.png",
    "128": "assets/icon/logo-128.png",
    "256": "assets/icon/logo-256.png",
    "512": "assets/icon/logo-512.png"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "Open the Capacities Web Extension"
    }
  },
  "content_scripts": [
    {
      "js": [
        "content.bundle.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_title": "Capacities Web Extension"
  },
  "background": {
    "scripts": [
      "worker.bundle.js"
    ]
  }
}