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/pocket-knife.mjs

@@ -0,0 +1,25 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const PocketKnife = createLucideIcon("PocketKnife", [
+  [
+    "path",
+    { d: "M3 2v1c0 1 2 1 2 2S3 6 3 7s2 1 2 2-2 1-2 2 2 1 2 2", key: "19w3oe" }
+  ],
+  ["path", { d: "M18 6h.01", key: "1v4wsw" }],
+  ["path", { d: "M6 18h.01", key: "uhywen" }],
+  [
+    "path",
+    {
+      d: "M20.83 8.83a4 4 0 0 0-5.66-5.66l-12 12a4 4 0 1 0 5.66 5.66Z",
+      key: "6fykxj"
+    }
+  ],
+  ["path", { d: "M18 11.66V22a4 4 0 0 0 4-4V6", key: "1utzek" }]
+]);
+
+export { PocketKnife as default };
+//# sourceMappingURL=pocket-knife.mjs.map