Examine source code of MTA Widget Finder

{
  "manifest_version": 3,
  "name": "MTA Widget Finder",
  "description": "Identify Mendix widget and page names for MTA frontend test kit.",
  "version": "1.3.0",
  "icons": {
    "16": "icons/beeldmerk-menditect-16.png",
    "48": "icons/beeldmerk-menditect-48.png",
    "128": "icons/beeldmerk-menditect-128.png"
  },
  "action": {
    "default_icon": "icons/beeldmerk-menditect-48.png",
    "default_title": "MTA widget finder"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "commands": {
    "toggle-extension": {
      "suggested_key": {
        "default": "Alt+C"
      },
      "description": "Toggle the extension on/off."
    },
    "copy-widget-name": {
      "suggested_key": {
        "default": "Alt+V"
      },
      "description": "Copy the Mendix widget name."
    },
    "copy-page-name": {
      "suggested_key": {
        "default": "Alt+B"
      },
      "description": "Copy the Mendix page name."
    },
    "lock-widget": {
      "suggested_key": {
        "default": "Alt+X"
      },
      "description": "Lock a Mendix widget without having the extension open."
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "popupMenu.css",
        "widgetNameBox.css",
        "icons/*.svg"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "./background/index.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@mta-widget-finder",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}