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/scan-line.mjs

@@ -0,0 +1,16 @@
+/**
+ * lucide-react v0.0.1 - ISC
+ */
+
+import createLucideIcon from '../createLucideIcon.mjs';
+
+const ScanLine = createLucideIcon("ScanLine", [
+  ["path", { d: "M3 7V5a2 2 0 0 1 2-2h2", key: "aa7l1z" }],
+  ["path", { d: "M17 3h2a2 2 0 0 1 2 2v2", key: "4qcy5o" }],
+  ["path", { d: "M21 17v2a2 2 0 0 1-2 2h-2", key: "6vwrx8" }],
+  ["path", { d: "M7 21H5a2 2 0 0 1-2-2v-2", key: "ioqczr" }],
+  ["line", { x1: "7", x2: "17", y1: "12", y2: "12", key: "197423" }]
+]);
+
+export { ScanLine as default };
+//# sourceMappingURL=scan-line.mjs.map