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/file-code.mjs

@@ -0,0 +1,21 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const FileCode = createLucideIcon("FileCode", [
+  [
+    "path",
+    {
+      d: "M14.5 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7.5L14.5 2z",
+      key: "1nnpy2"
+    }
+  ],
+  ["polyline", { points: "14 2 14 8 20 8", key: "1ew0cm" }],
+  ["path", { d: "m10 13-2 2 2 2", key: "17smn8" }],
+  ["path", { d: "m14 17 2-2-2-2", key: "14mezr" }]
+]);
+
+export { FileCode as default };
+//# sourceMappingURL=file-code.mjs.map