Function isValidEC2Family

isValidEC2Family(family: string): Promise<boolean>
Check if an EC2 instance family exists in the dataset.
Parameters
- family: string
  The family name to check
Returns Promise<boolean>
Promise resolving to true if the family exists, false otherwise
Example
```
import { isValidEC2Family } from 'aws-instance-info/async'

console.log(await isValidEC2Family('M5')) // true
console.log(await isValidEC2Family('C7')) // true
console.log(await isValidEC2Family('Invalid')) // false
```
- Defined in ec2.async.ts:333