init project

docs/data/joy/components/button-group/SpacingButtonGroup.js

@@ -0,0 +1,17 @@
+import Button from '@mui/joy/Button';
+import ButtonGroup from '@mui/joy/ButtonGroup';
+import IconButton from '@mui/joy/IconButton';
+import Settings from '@mui/icons-material/Settings';
+
+export default function SpacingButtonGroup() {
+  return (
+    <ButtonGroup spacing="0.5rem" aria-label="spacing button group">
+      <Button>One</Button>
+      <Button disabled>Two</Button>
+      <Button>Three</Button>
+      <IconButton>
+        <Settings />
+      </IconButton>
+    </ButtonGroup>
+  );
+}