Add cloud shape (#1708)

![Kapture 2023-07-04 at 16 36
31](https://github.com/tldraw/tldraw/assets/1242537/bcb19959-ac66-46fa-92ea-50fe4692a96c)


### Change Type

- [x] `minor` — New feature


[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version

### Test Plan

1. Make some cloud shapes, try different sizes, colors, fills.
2. Export cloud shapes to images.

- [ ] Unit Tests
- [ ] End to end tests

### Release Notes

- Adds a cloud shape.

apps/examples/e2e/tests/test-shapes.spec.ts

@@ -14,7 +14,7 @@ const clickableShapeCreators = [
 	{ tool: 'ellipse', shape: 'geo' },
 	{ tool: 'triangle', shape: 'geo' },
 	{ tool: 'diamond', shape: 'geo' },
-	{ tool: 'pentagon', shape: 'geo' },
+	{ tool: 'cloud', shape: 'geo' },
 	{ tool: 'hexagon', shape: 'geo' },
 	// { tool: 'octagon', shape: 'geo' },
 	{ tool: 'star', shape: 'geo' },
@@ -40,7 +40,7 @@ const draggableShapeCreators = [
 	{ tool: 'ellipse', shape: 'geo' },
 	{ tool: 'triangle', shape: 'geo' },
 	{ tool: 'diamond', shape: 'geo' },
-	{ tool: 'pentagon', shape: 'geo' },
+	{ tool: 'cloud', shape: 'geo' },
 	{ tool: 'hexagon', shape: 'geo' },
 	// { tool: 'octagon', shape: 'geo' },
 	{ tool: 'star', shape: 'geo' },