docs: update README with v1.1.0 custom output directory feature

- Added custom output directories feature to Features section
- Updated CLI options table with enhanced output option description
- Added comprehensive Custom Output Directories section with examples
- Updated command examples to showcase directory creation capabilities
- Enhanced package.json scripts with public directory example
- Updated Quick Start examples to highlight new functionality

Author: Prathamesh-chougale-17

README.md

@@ -224,6 +224,7 @@ npx shadiff@latest generate -o docs/api/registry.json
 ```
 
 **Features:**
+
 - ✅ **Automatic Directory Creation** - Missing directories are created automatically
 - ✅ **Nested Paths** - Supports deeply nested directory structures  
 - ✅ **Cross-Platform** - Works on Windows, macOS, and Linux

package.json

@@ -1,4 +1,5 @@
-{  "name": "shadiff",
+{
+  "name": "shadiff",
   "version": "1.1.0",
   "description": "Generate shadcn/ui registry JSON for your project",
   "type": "module",