Examine source code of WebInfoKeeper

{
  "manifest_version": 3,
  "name": "WebInfoKeeper",
  "description": "Allows you store specific values in browser with minimal friction",
  "version": "1.2.1",
  "permissions": [
    "storage",
    "clipboardRead",
    "clipboardWrite",
    "contextMenus"
  ],
  "action": {
    "default_icon": "icons/icon64.png",
    "default_title": "BrowserScratchpad",
    "default_popup": "popup/popup.html"
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{74489efd-12e1-4264-b026-470339d5bf5f}",
      "strict_min_version": "109.0"
    }
  },
  "commands": {
    "store-content": {
      "suggested_key": {
        "default": "Alt+C"
      },
      "description": "Copies value into storage"
    },
    "get-content": {
      "suggested_key": {
        "default": "Alt+G"
      },
      "description": "Add value from storage to clipboard"
    },
    "show-popup": {
      "suggested_key": {
        "default": "Alt+O"
      },
      "description": "Opens popup window"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html"
  }
}