v1.0.1: Add comprehensive theme switcher and fix dark mode issues

- Add theme switcher widget with Auto/Light/Dark options in header
- Implement manual theme override system with localStorage persistence
- Add complete button theme overrides for all variants (primary, outline-*)
- Fix missing focus states and placeholder colors for light theme
- Add proper alert styling for both themes
- Fix expression input error state colors in dark theme
- Complete comprehensive theme coverage for all UI elements
- Theme switcher overrides CSS media queries when manually selected
- All buttons, inputs, and surfaces now properly adapt to theme changes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jmespath-playground",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "A React-based web application for testing JMESPath expressions against JSON data",
   "main": "index.js",
   "scripts": {