Function getEC2InstanceInfo

getEC2InstanceInfo(instanceType: string): Promise<EC2InstanceDetails>
Get detailed information for a specific EC2 instance type. Triggers the initial bulk fetch on first call; subsequent calls use LRU cache.
Parameters
- instanceType: string
  The instance type (e.g., "m5.large")
Returns Promise<EC2InstanceDetails>
Promise resolving to instance details including performance, networking, EBS, and security specs
Example
```
import { getEC2InstanceInfo } from 'aws-instance-info/async'

const instance = await getEC2InstanceInfo('m5.large')
console.log(instance.instanceType) // 'm5.large'
console.log(instance.vCPUs) // 2
console.log(instance.memoryGiB) // 8
console.log(instance.hypervisor) // 'Nitro v2'
```
- Defined in ec2.async.ts:160