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/stamp.mjs

@@ -0,0 +1,26 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const Stamp = createLucideIcon("Stamp", [
+  ["path", { d: "M5 22h14", key: "ehvnwv" }],
+  [
+    "path",
+    {
+      d: "M19.27 13.73A2.5 2.5 0 0 0 17.5 13h-11A2.5 2.5 0 0 0 4 15.5V17a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-1.5c0-.66-.26-1.3-.73-1.77Z",
+      key: "1sy9ra"
+    }
+  ],
+  [
+    "path",
+    {
+      d: "M14 13V8.5C14 7 15 7 15 5a3 3 0 0 0-3-3c-1.66 0-3 1-3 3s1 2 1 3.5V13",
+      key: "cnxgux"
+    }
+  ]
+]);
+
+export { Stamp as default };
+//# sourceMappingURL=stamp.mjs.map