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/lucide-react/dist/esm/icons/package-2.mjs

@@ -0,0 +1,20 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const Package2 = createLucideIcon("Package2", [
+  ["path", { d: "M3 9h18v10a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V9Z", key: "1ront0" }],
+  [
+    "path",
+    {
+      d: "m3 9 2.45-4.9A2 2 0 0 1 7.24 3h9.52a2 2 0 0 1 1.8 1.1L21 9",
+      key: "19h2x1"
+    }
+  ],
+  ["path", { d: "M12 3v6", key: "1holv5" }]
+]);
+
+export { Package2 as default };
+//# sourceMappingURL=package-2.mjs.map