Function getRDSInstanceInfo

getRDSInstanceInfo(instanceClass: RDSInstanceClass): RDSInstanceDetails
Get detailed information for a specific RDS instance class. Loads only the JSON file for the requested instance class. Results are cached using LRU.
Parameters
- instanceClass: RDSInstanceClass
  The instance class (e.g., "db.m5.large")
Returns RDSInstanceDetails
Instance class details including vCPUs, memory, network, and storage specs
Example
```
import { getRDSInstanceInfo } from 'aws-instance-info'

const instance = getRDSInstanceInfo('db.m5.large')
console.log(instance.instanceClass) // 'db.m5.large'
console.log(instance.vCPUs) // 2
console.log(instance.memoryGiB) // 8
console.log(instance.networkBandwidthGbps) // 'Up to 10'
```
- Defined in rds.ts:74