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/battery-warning.mjs

@@ -0,0 +1,16 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const BatteryWarning = createLucideIcon("BatteryWarning", [
+  ["path", { d: "M14 7h2a2 2 0 0 1 2 2v6c0 1-1 2-2 2h-2", key: "1if82c" }],
+  ["path", { d: "M6 7H4a2 2 0 0 0-2 2v6c0 1 1 2 2 2h2", key: "2pdlyl" }],
+  ["line", { x1: "22", x2: "22", y1: "11", y2: "13", key: "4dh1rd" }],
+  ["line", { x1: "10", x2: "10", y1: "7", y2: "13", key: "1uzyus" }],
+  ["line", { x1: "10", x2: "10", y1: "17", y2: "17.01", key: "1y8k4g" }]
+]);
+
+export { BatteryWarning as default };
+//# sourceMappingURL=battery-warning.mjs.map