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/RequireEnsureDependenciesBlock.js

@@ -0,0 +1,30 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const AsyncDependenciesBlock = require("../AsyncDependenciesBlock");
+const makeSerializable = require("../util/makeSerializable");
+
+/** @typedef {import("../AsyncDependenciesBlock").GroupOptions} GroupOptions */
+/** @typedef {import("../ChunkGroup").ChunkGroupOptions} ChunkGroupOptions */
+/** @typedef {import("../Dependency").DependencyLocation} DependencyLocation */
+
+class RequireEnsureDependenciesBlock extends AsyncDependenciesBlock {
+	/**
+	 * @param {GroupOptions | null} chunkName chunk name
+	 * @param {(DependencyLocation | null)=} loc location info
+	 */
+	constructor(chunkName, loc) {
+		super(chunkName, loc, null);
+	}
+}
+
+makeSerializable(
+	RequireEnsureDependenciesBlock,
+	"webpack/lib/dependencies/RequireEnsureDependenciesBlock"
+);
+
+module.exports = RequireEnsureDependenciesBlock;