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/hand-metal.mjs

@@ -0,0 +1,24 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const HandMetal = createLucideIcon("HandMetal", [
+  [
+    "path",
+    { d: "M18 12.5V10a2 2 0 0 0-2-2v0a2 2 0 0 0-2 2v1.4", key: "7eki13" }
+  ],
+  ["path", { d: "M14 11V9a2 2 0 1 0-4 0v2", key: "94qvcw" }],
+  ["path", { d: "M10 10.5V5a2 2 0 1 0-4 0v9", key: "m1ah89" }],
+  [
+    "path",
+    {
+      d: "m7 15-1.76-1.76a2 2 0 0 0-2.83 2.82l3.6 3.6C7.5 21.14 9.2 22 12 22h2a8 8 0 0 0 8-8V7a2 2 0 1 0-4 0v5",
+      key: "t1skq1"
+    }
+  ]
+]);
+
+export { HandMetal as default };
+//# sourceMappingURL=hand-metal.mjs.map