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/subtitles.mjs

@@ -0,0 +1,22 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const Subtitles = createLucideIcon("Subtitles", [
+  ["path", { d: "M7 13h4", key: "1m1xj0" }],
+  ["path", { d: "M15 13h2", key: "vgjay3" }],
+  ["path", { d: "M7 9h2", key: "1q072n" }],
+  ["path", { d: "M13 9h4", key: "o7fxw0" }],
+  [
+    "path",
+    {
+      d: "M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v10Z",
+      key: "12yqn6"
+    }
+  ]
+]);
+
+export { Subtitles as default };
+//# sourceMappingURL=subtitles.mjs.map