Function isValidElastiCacheFamily

isValidElastiCacheFamily(family: string): boolean
Check if an Elasticache node family exists in the dataset.
Parameters
- family: string
  The family name to check
Returns boolean
True if the family exists, false otherwise
Example
```
import { isValidElastiCacheFamily } from 'aws-instance-info'

console.log(isValidElastiCacheFamily('M5')) // true
console.log(isValidElastiCacheFamily('R6g')) // true
console.log(isValidElastiCacheFamily('Invalid')) // false
```
- Defined in elasticache.ts:254