feat: added playground config files

Author: mfranzke

angular17-example/.codesandbox/template.json

@@ -0,0 +1,6 @@
+{
+  "title": "DB UX Design System - Angular 17 example",
+  "description": "This is an example of using the DB UX Design System with Angular 17.",
+  "tags": ["angular", "typescript"],
+  "published": true
+}

react-example/.codesandbox/template.json

@@ -0,0 +1,6 @@
+{
+  "title": "DB UX Design System - React 18 example",
+  "description": "This is an example of using the DB UX Design System with React 18.",
+  "tags": ["react", "typescript", "vite"],
+  "published": true
+}

react-tailwind-template/.codesandbox/template.json

@@ -0,0 +1,6 @@
+{
+  "title": "DB UX Design System - React 18 + tailwind example",
+  "description": "This is an example of using the DB UX Design System with React 18 and tailwind.",
+  "tags": ["react", "tailwind", "typescript", "vite"],
+  "published": true
+}

vue-example/.codesandbox/template.json

@@ -0,0 +1,6 @@
+{
+  "title": "DB UX Design System - Vue 3 example",
+  "description": "This is an example of using the DB UX Design System with Vue 3.",
+  "tags": ["vue", "typescript", "vite"],
+  "published": true
+}