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/timer-off.mjs

@@ -0,0 +1,16 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const TimerOff = createLucideIcon("TimerOff", [
+  ["path", { d: "M10 2h4", key: "n1abiw" }],
+  ["path", { d: "M4.6 11a8 8 0 0 0 1.7 8.7 8 8 0 0 0 8.7 1.7", key: "10he05" }],
+  ["path", { d: "M7.4 7.4a8 8 0 0 1 10.3 1 8 8 0 0 1 .9 10.2", key: "15f7sh" }],
+  ["path", { d: "m2 2 20 20", key: "1ooewy" }],
+  ["path", { d: "M12 12v-2", key: "fwoke6" }]
+]);
+
+export { TimerOff as default };
+//# sourceMappingURL=timer-off.mjs.map