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/folder-symlink.mjs

@@ -0,0 +1,20 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const FolderSymlink = createLucideIcon("FolderSymlink", [
+  [
+    "path",
+    {
+      d: "M2 9V5c0-1.1.9-2 2-2h3.93a2 2 0 0 1 1.66.9l.82 1.2a2 2 0 0 0 1.66.9H20a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H2",
+      key: "1or2t8"
+    }
+  ],
+  ["path", { d: "m8 16 3-3-3-3", key: "rlqrt1" }],
+  ["path", { d: "M2 16v-1a2 2 0 0 1 2-2h6", key: "pgw8ln" }]
+]);
+
+export { FolderSymlink as default };
+//# sourceMappingURL=folder-symlink.mjs.map