fix: Add JSON file processing to Tailwind configs for playground and prototype

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

apps/playground/tailwind.config.js

@@ -5,7 +5,7 @@ export default {
   darkMode: ["class"],
   content: [
     "./index.html",
-    "./src/**/*.{js,ts,jsx,tsx}",
+    "./src/**/*.{js,ts,jsx,tsx,json}",
     "../../packages/components/src/**/*.{js,ts,jsx,tsx}",
   ],
   theme: {

examples/prototype/tailwind.config.js

@@ -2,7 +2,7 @@
 export default {
   content: [
     "./index.html",
-    "./src/**/*.{js,ts,jsx,tsx}",
+    "./src/**/*.{js,ts,jsx,tsx,json}",
     "../../packages/components/src/**/*.{js,ts,jsx,tsx}"
   ],
   theme: {