feat: Disclaimer at app store

Created by: xuliwenwenwen

Signed-off-by: xuliwenwenwen liwenxu@yunify.com

What type of PR is this?

What this PR does / why we need it:

/kind feature

Which issue(s) this PR fixes:

Fixes ##2162

Special notes for reviewers:

Does this PR introduced a user-facing change?

feat: Disclaimer at app store(#2162 )

Additional documentation, usage docs, etc.: