feat: add spin checkbox

app.py

@@ -160,6 +160,7 @@ def load_result() -> Optional[AlphaFoldData]:
 @solara.component
 def Page():
     color_mode = solara.use_reactive("chain")
+    spin = solara.use_reactive(True)
     dark_effective = solara.lab.use_dark_effective()
 
     def on_color_mode(value: str):
@@ -198,6 +199,7 @@ def Page():
                 on_value=on_color_mode,
                 disabled=disabled,
             )
+            solara.Checkbox(label="Spin", value=spin)
 
             def write_atoms():
                 return load_result.value.atom_data.write_csv()
@@ -256,6 +258,7 @@ def Page():
                 color_data=color_data,
                 tooltips=tooltip_data,
                 show_water=False,
+                spin=spin.value,
                 theme=theme,
             ).key(f"pdbemolstar-{dark_effective}")