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/no-case/dist/index.d.ts

@@ -0,0 +1,10 @@
+export interface Options {
+    splitRegexp?: RegExp | RegExp[];
+    stripRegexp?: RegExp | RegExp[];
+    delimiter?: string;
+    transform?: (part: string, index: number, parts: string[]) => string;
+}
+/**
+ * Normalize the string into something other libraries can manipulate easier.
+ */
+export declare function noCase(input: string, options?: Options): string;