Examine source code of Lazy Prompter

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "short_name": "__MSG_extShortName__",
  "version": "2.6.10",
  "default_locale": "en",
  "description": "__MSG_extDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "default_title": "__MSG_extName__"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus",
    "scripting"
  ],
  "host_permissions": [
    "https://app.lazyprompter.com/*"
  ],
  "commands": {
    "toggle-spotlight": {
      "suggested_key": {
        "default": "Ctrl+Shift+L",
        "mac": "Command+Shift+L"
      },
      "description": "__MSG_cmdToggleSpotlight__"
    },
    "save-prompt": {
      "suggested_key": {
        "default": "Alt+Shift+S",
        "mac": "Alt+Shift+S"
      },
      "description": "__MSG_cmdSavePrompt__"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://app.lazyprompter.com/*"
      ],
      "js": [
        "webapp-bridge.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*",
        "_locales/*"
      ],
      "matches": [
        "https://app.lazyprompter.com/*"
      ]
    }
  ],
  "homepage_url": "https://lazyprompter.com",
  "author": "Lazy Prompter",
  "browser_specific_settings": {
    "gecko": {
      "id": "firefox@lazyprompter.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "personallyIdentifyingInfo",
          "authenticationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}