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/webpack/lib/dependencies/DelegatedSourceDependency.js

@@ -0,0 +1,33 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const makeSerializable = require("../util/makeSerializable");
+const ModuleDependency = require("./ModuleDependency");
+
+class DelegatedSourceDependency extends ModuleDependency {
+	/**
+	 * @param {string} request the request string
+	 */
+	constructor(request) {
+		super(request);
+	}
+
+	get type() {
+		return "delegated source";
+	}
+
+	get category() {
+		return "esm";
+	}
+}
+
+makeSerializable(
+	DelegatedSourceDependency,
+	"webpack/lib/dependencies/DelegatedSourceDependency"
+);
+
+module.exports = DelegatedSourceDependency;