Add Build dependencies in Readme

[imranzaheer612]

• Added commands to install build dependencies for the raft and dqlite library .
• Changes added to the Chinese read-me too.

[cole-miller]

Thanks! We'll need you to sign the Canonical CLA (requires a Launchpad account) before we can merge this.

[cole-miller]

I think it would be better to have some context before this, like:

On a Debian-like Linux system, you can install all the build dependencies with:

I'm not sure what to do about the Chinese README, since I can't translate the new text. @growdu would you be willing to help out here?

[growdu]

I'm sorry that I only saw this message now. The current Chinese description is OK.

[codecov]

Codecov Report

Merging #529 (a0f9fab) into master (837eeee) will not change coverage.
The diff coverage is n/a.

❗ Current head a0f9fab differs from pull request most recent head aeb8b03. Consider uploading reports for the commit aeb8b03 to get more accurate results

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