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/folder-x.mjs

@@ -0,0 +1,20 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const FolderX = createLucideIcon("FolderX", [
+  [
+    "path",
+    {
+      d: "M4 20h16a2 2 0 0 0 2-2V8a2 2 0 0 0-2-2h-7.93a2 2 0 0 1-1.66-.9l-.82-1.2A2 2 0 0 0 7.93 3H4a2 2 0 0 0-2 2v13c0 1.1.9 2 2 2Z",
+      key: "1fr9dc"
+    }
+  ],
+  ["path", { d: "m9.5 10.5 5 5", key: "ra9qjz" }],
+  ["path", { d: "m14.5 10.5-5 5", key: "l2rkpq" }]
+]);
+
+export { FolderX as default };
+//# sourceMappingURL=folder-x.mjs.map