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/message-square-dashed.mjs

@@ -0,0 +1,19 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const MessageSquareDashed = createLucideIcon("MessageSquareDashed", [
+  ["path", { d: "M3 6V5c0-1.1.9-2 2-2h2", key: "9usibi" }],
+  ["path", { d: "M11 3h3", key: "1c3ji7" }],
+  ["path", { d: "M18 3h1c1.1 0 2 .9 2 2", key: "19esxn" }],
+  ["path", { d: "M21 9v2", key: "p14lih" }],
+  ["path", { d: "M21 15c0 1.1-.9 2-2 2h-1", key: "1fo1j8" }],
+  ["path", { d: "M14 17h-3", key: "1w4p2m" }],
+  ["path", { d: "m7 17-4 4v-5", key: "ph9x1h" }],
+  ["path", { d: "M3 12v-2", key: "856n1q" }]
+]);
+
+export { MessageSquareDashed as default };
+//# sourceMappingURL=message-square-dashed.mjs.map