Update web UI start guideline
Update web UI start guideline

Signed-off-by: AllForNothing <6460d228889c4093848bc564d29ad25338e6eaa6@vmware.com>

wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,reasonerjt/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,reasonerjt/harbor