Initial commit: Developer Tools MVP with visual editor

- Complete React app with 7 developer tools
- JSON Tool with visual structured editor
- Serialize Tool with visual structured editor
- URL, Base64, CSV/JSON, Beautifier, Diff tools
- Responsive navigation with dropdown menu
- Dark/light mode toggle
- Mobile-responsive design with sticky header
- All tools working with copy/paste functionality

node_modules/es-iterator-helpers/aos/GetOptionsObject.js

@@ -0,0 +1,20 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+// var OrdinaryObjectCreate = require('es-abstract/2024/OrdinaryObjectCreate');
+var Type = require('es-abstract/2024/Type');
+
+// https://tc39.es/proposal-joint-iteration/#sec-getoptionsobject
+
+module.exports = function GetOptionsObject(options) {
+	if (typeof options === 'undefined') { // step 1
+		// return OrdinaryObjectCreate(null); // step 1.a
+		return { __proto__: null }; // step 1.a
+	}
+	if (Type(options) === 'Object') { // step 2
+		return options; // step 2.a
+	}
+
+	throw new $TypeError('`options` must be an Object or undefined'); // step 3
+};