feat: support for agent sandboxes

[MichaelGoberling]

npm install github:adobe/aio-lib-runtime#agent-sandboxes

const { init } = require('@adobe/aio-lib-runtime')

async function main () {
  const runtime = await init({
    apihost: "http://localhost",
    namespace: "test_namespace",
    api_key: "test_key"
  })

  const sandbox = await runtime.compute.sandbox.create({
    name: 'my-sandbox',
    size: 'MEDIUM',
  })

  console.log('sandbox ready:', sandbox.id)

  const status = await runtime.compute.sandbox.getStatus(sandbox.id)
  console.log('status:', status)

  const result = await sandbox.exec('echo hello from compute', { timeout: 5000 })
  console.log('stdout:', result.stdout.trim())
  console.log('exit code:', result.exitCode)

  await new Promise(resolve => setTimeout(resolve, 3000))

  console.log('executing another command...')
  const result2 = await sandbox.exec('echo hello from compute', { timeout: 5000 })
  console.log('stdout:', result2.stdout.trim())
  console.log('exit code:', result2.exitCode)

  await new Promise(resolve => setTimeout(resolve, 3000))
  
  console.log('executing another command...')
  const result3 = await sandbox.exec('echo hello from compute', { timeout: 5000 })
  console.log('stdout:', result3.stdout.trim())
  console.log('exit code:', result3.exitCode)

  await sandbox.destroy()
  console.log('sandbox destroyed')
}

main().catch(err => { console.error(err); process.exit(1) })