Use key pair in Vasku scripts
import { readKeys } from 'vasku-keys'
// ...
const keys: KeyPair = readKeys('/home/user/keys/GiverV2.keys.json')
import { generateOrReadKeys } from 'vasku-keys'
// ...
const keys: KeyPair = await generateOrReadKeys('/home/user/keys/GiverV3.keys.json')
import { namedKeys } from 'vasku-keys'
// ...
const keys: KeyPair = await namedKeys('giver')