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/cake-slice.mjs

@@ -0,0 +1,21 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const CakeSlice = createLucideIcon("CakeSlice", [
+  ["circle", { cx: "9", cy: "7", r: "2", key: "1305pl" }],
+  [
+    "path",
+    {
+      d: "M7.2 7.9 3 11v9c0 .6.4 1 1 1h16c.6 0 1-.4 1-1v-9c0-2-3-6-7-8l-3.6 2.6",
+      key: "xle13f"
+    }
+  ],
+  ["path", { d: "M16 13H3", key: "1wpj08" }],
+  ["path", { d: "M16 17H3", key: "3lvfcd" }]
+]);
+
+export { CakeSlice as default };
+//# sourceMappingURL=cake-slice.mjs.map