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/bar-chart-horizontal-big.mjs

@@ -0,0 +1,20 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const BarChartHorizontalBig = createLucideIcon("BarChartHorizontalBig", [
+  ["path", { d: "M3 3v18h18", key: "1s2lah" }],
+  [
+    "rect",
+    { width: "12", height: "4", x: "7", y: "5", rx: "1", key: "936jl1" }
+  ],
+  [
+    "rect",
+    { width: "7", height: "4", x: "7", y: "13", rx: "1", key: "jqfkpy" }
+  ]
+]);
+
+export { BarChartHorizontalBig as default };
+//# sourceMappingURL=bar-chart-horizontal-big.mjs.map