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/minimatch/dist/mjs/assert-valid-pattern.js

@@ -0,0 +1,10 @@
+const MAX_PATTERN_LENGTH = 1024 * 64;
+export const assertValidPattern = (pattern) => {
+    if (typeof pattern !== 'string') {
+        throw new TypeError('invalid pattern');
+    }
+    if (pattern.length > MAX_PATTERN_LENGTH) {
+        throw new TypeError('pattern is too long');
+    }
+};
+//# sourceMappingURL=assert-valid-pattern.js.map