Update performance.md: nfs for other than home dir (docs only) [skip ci][ci skip] (#2164)
Update performance.md: nfs for other than home dir (docs only) [skip ci][ci skip] (#2164)


drud/ddev,rfay/ddev,rfay/ddev,rfay/ddev,drud/ddev,drud/ddev,rfay/ddev,drud/ddev,drud/ddev,rfay/ddev