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/clipboard-list.mjs

@@ -0,0 +1,34 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const ClipboardList = createLucideIcon("ClipboardList", [
+  [
+    "rect",
+    {
+      width: "8",
+      height: "4",
+      x: "8",
+      y: "2",
+      rx: "1",
+      ry: "1",
+      key: "tgr4d6"
+    }
+  ],
+  [
+    "path",
+    {
+      d: "M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2",
+      key: "116196"
+    }
+  ],
+  ["path", { d: "M12 11h4", key: "1jrz19" }],
+  ["path", { d: "M12 16h4", key: "n85exb" }],
+  ["path", { d: "M8 11h.01", key: "1dfujw" }],
+  ["path", { d: "M8 16h.01", key: "18s6g9" }]
+]);
+
+export { ClipboardList as default };
+//# sourceMappingURL=clipboard-list.mjs.map