add carousel demo

website/documentation.py

@@ -173,6 +173,7 @@ def create_full() -> None:
     load_demo(ui.splitter)
     load_demo('tabs')
     load_demo(ui.stepper)
+    load_demo(ui.carousel)
     load_demo(ui.menu)
 
     @text_demo('Tooltips', '''

website/more_documentation/carousel_documentation.py

@@ -0,0 +1,11 @@
+from nicegui import ui
+
+
+def main_demo() -> None:
+    with ui.carousel(animated=True, arrows=True, navigation=True).props('height=180px'):
+        with ui.carousel_slide().classes('p-0'):
+            ui.image('https://picsum.photos/id/30/270/180').classes('w-[270px]')
+        with ui.carousel_slide().classes('p-0'):
+            ui.image('https://picsum.photos/id/31/270/180').classes('w-[270px]')
+        with ui.carousel_slide().classes('p-0'):
+            ui.image('https://picsum.photos/id/32/270/180').classes('w-[270px]')