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/square-dashed-bottom-code.mjs

@@ -0,0 +1,22 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const SquareDashedBottomCode = createLucideIcon("SquareDashedBottomCode", [
+  ["path", { d: "m10 10-2 2 2 2", key: "p6et6i" }],
+  ["path", { d: "m14 14 2-2-2-2", key: "m075q2" }],
+  [
+    "path",
+    {
+      d: "M5 21a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2",
+      key: "as5y1o"
+    }
+  ],
+  ["path", { d: "M9 21h1", key: "15o7lz" }],
+  ["path", { d: "M14 21h1", key: "v9vybs" }]
+]);
+
+export { SquareDashedBottomCode as default };
+//# sourceMappingURL=square-dashed-bottom-code.mjs.map