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/armchair.mjs

@@ -0,0 +1,21 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const Armchair = createLucideIcon("Armchair", [
+  ["path", { d: "M19 9V6a2 2 0 0 0-2-2H7a2 2 0 0 0-2 2v3", key: "irtipd" }],
+  [
+    "path",
+    {
+      d: "M3 11v5a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-5a2 2 0 0 0-4 0v2H7v-2a2 2 0 0 0-4 0Z",
+      key: "1ed1m0"
+    }
+  ],
+  ["path", { d: "M5 18v2", key: "ppbyun" }],
+  ["path", { d: "M19 18v2", key: "gy7782" }]
+]);
+
+export { Armchair as default };
+//# sourceMappingURL=armchair.mjs.map