Function hasStorageConfig

hasStorageConfig(config: VanaConfig): config is VanaConfigWithStorage
Validates whether a configuration has required storage providers.
Parameters
- config: VanaConfig
  The configuration object to check
Returns config is VanaConfigWithStorage
True if the config has storage providers configured
Example
```
if (hasStorageConfig(config)) {
  // Safe to use storage-dependent operations
  await vana.data.uploadFile(file);
} else {
  console.log('Storage not configured - some operations may fail');
}
```
- Defined in packages/vana-sdk/src/types/config.ts:434