[Feature Request]Support batch import/export of connection information in VPN client

[pedoc]

Are you using SoftEther VPN 5.x?

• Yes, I'm using SoftEther VPN 5.x, not 4.x.

Version

5.02.5380

Component

VPN Client

Operating system & version

Windows 11

Architecture or Hardware model

amd64

Steps to reproduce

Currently, only single connection import/export is supported in the VPN client, which is very inconvenient when there are a large number of connections (such as migrating from computer A to computer B).

✔️ Expected Behavior

Support batch import or export connections

❌ Actual Behavior

Only supports single import or export

Anything else?

No response