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/grip-horizontal.mjs

@@ -0,0 +1,17 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const GripHorizontal = createLucideIcon("GripHorizontal", [
+  ["circle", { cx: "12", cy: "9", r: "1", key: "124mty" }],
+  ["circle", { cx: "19", cy: "9", r: "1", key: "1ruzo2" }],
+  ["circle", { cx: "5", cy: "9", r: "1", key: "1a8b28" }],
+  ["circle", { cx: "12", cy: "15", r: "1", key: "1e56xg" }],
+  ["circle", { cx: "19", cy: "15", r: "1", key: "1a92ep" }],
+  ["circle", { cx: "5", cy: "15", r: "1", key: "5r1jwy" }]
+]);
+
+export { GripHorizontal as default };
+//# sourceMappingURL=grip-horizontal.mjs.map