[feat]tools-v2: add bs create volume snapshot

[baytan0720]

What problem does this PR solve?

Issue Number: #2585

Problem Summary:

What is changed and how it works?

add bs create volume snapshot

What's Changed:
modify tools-v2/internal/utils/snapshot.go
modify tools-v2/internal/utils/row.go
modify tools-v2/pkg/cli/command/curvebs/create/create.go
modify tools-v2/pkg/config/bs.go
add tools-v2/pkg/cli/command/curvebs/create/volume/snapshot/snapshot.go
add tools-v2/pkg/cli/command/curvebs/create/volume/volume.go

How it Works:

$ curve bs create volume snapshot --help
Usage:  curve bs create volume snapshot [flags]

create volume snapshot in curvebs cluster

Flags:
      --filename string        file name[required]
  -f, --format string          output format (json|plain) (default "plain")
      --httptimeout duration   http timeout (default 500ms)
      --snapshotaddr string    snapshot clone address, should be like 127.0.0.1:5550,127.0.0.1:5551,127.0.0.1:5552
      --snapshotname string    snapshot name[required]
      --user string            user name[required]

Global Flags:
  -c, --conf string   config file (default is $HOME/.curve/curve.yaml or /etc/curve/curve.yaml)
  -h, --help          print help
      --showerror     display all errors in command
      --verbose       show some log

Examples:
$ curve bs create volume snapshot --user root --filename test --snapshotname snap-test

Side effects(Breaking backward compatibility? Performance regression?):

Check List

• Relevant documentation/comments is changed or added
• I acknowledge that all my contributions will be made under the project's license