Add devcontainer config for Kvrocks

[PragmaTwice]

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• [X] I had searched in the issues and found no similar issues.

Motivation

Development Containers allows developers to use a container as a full-featured development environment. We can add a default container config for Kvrocks so that developers don't need to worry about enviornment problems.

Solution

No response

Are you willing to submit a PR?

• [ ] I'm willing to submit a PR!