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/zap-off.mjs

@@ -0,0 +1,15 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const ZapOff = createLucideIcon("ZapOff", [
+  ["polyline", { points: "12.41 6.75 13 2 10.57 4.92", key: "122m05" }],
+  ["polyline", { points: "18.57 12.91 21 10 15.66 10", key: "16r43o" }],
+  ["polyline", { points: "8 8 3 14 12 14 11 22 16 16", key: "tmh4bc" }],
+  ["line", { x1: "2", x2: "22", y1: "2", y2: "22", key: "a6p6uj" }]
+]);
+
+export { ZapOff as default };
+//# sourceMappingURL=zap-off.mjs.map