Function createSignalScope

createSignalScope<T>(callback: () => T): () => void
Creates an effect scope that groups multiple reactive effects for lifecycle management.
Type Parameters
- T
  The return type of the callback.
Parameters
- callback: () => T
  A function where effects can be created. All effects created within will be scoped.
Returns () => void
A stop function to cancel all effects within the scope.
Example
```
const stopScope = createSignalScope(() => {
  createEffect(() => {
    console.log('Scoped effect');
  });
});

// Later, stop all scoped effects:
stopScope();
```
- Defined in index.ts:119