Examine source code of Bye-Bye-Mouse

{
  "manifest_version": 3,
  "name": "Bye-Bye-Mouse",
  "version": "0.1.2",
  "description": "Navigate web pages using Vim-like keys (h, j, k, l).",
  "browser_specific_settings": {
    "gecko": {
      "id": "byebyemouse@byebyemouse.com",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "css/style.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "js/dom-utils.js",
        "js/element-utils.js",
        "js/state-indicator.js",
        "js/navigation-mode.js",
        "js/find-mode.js",
        "js/text-mode.js",
        "js/state-manager.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/popup.html"
  },
  "commands": {
    "toggle-navigation": {
      "suggested_key": {
        "default": "Ctrl+Space"
      },
      "description": "Toggle keyboard navigation"
    }
  }
}