[chore] Update README.md

[theBeginner86]

Notes for Reviewers

Uses the correct name of Helm plugin binary

This PR fixes #

Signed commits

• Yes, I signed my commits.

[theBeginner86]

Though the current name of plugin is too long.
Please consider confirming if it's to be called snapshot or kanvas-snapshot.

I'll update the readme and binary from next release onwards.

[leecalcote]

If the current CLI syntax is helm kanvas-snapshot, I agree that this is a bit longer than desirable. After some discussion with @aabidsofi19, I'm voting for helm kanvas snapshot, but could be convinced otherwise.

1. My sense is that my primary argument for having helm kanvas snapshot is that this leaves us open to additional sub commands beyond the single simple snapshot verb.
2. The other point of justification that I have is that inclusion of the "Kanvas" term helps with project recognition and drives clarity of command intent. I don't have the sense that this second point is particularly strong justification.

helm-s3 is a plugin with an example subcommands like helm s3 init. Using helm kanvas snapshot, to @aabidsofi19's point, leaves our plugin open to possible subcommand additions in the future, like helm kanvas auth...

[theBeginner86]

If the current CLI syntax is helm kanvas-snapshot, I agree that this is a bit longer than desirable. After some discussion with @aabidsofi19, I'm voting for helm kanvas snapshot, but could be convinced otherwise.

1. My sense is that my primary argument for having helm kanvas snapshot is that this leaves us open to additional sub commands beyond the single simple snapshot verb.
2. The other point of justification that I have is that inclusion of the "Kanvas" term helps with project recognition and drives clarity of command intent. I don't have the sense that this second point is particularly strong justification.

helm-s3 is a plugin with an example subcommands like helm s3 init. Using helm kanvas snapshot, to @aabidsofi19's point, leaves our plugin open to possible subcommand additions in the future, like helm kanvas auth...

Noted