Add zstd

[smorimoto]

• Tool name: zstd
• Add or update?: Add
• Desired version: latest
• Approximate size:
• If this is an add request:
  • Brief description of tool: Zstandard is a real-time compression algorithm, providing high compression ratios. It offers a very wide range of compression / speed trade-off, while being backed by a very fast decoder.
  • URL for tool's homepage: https://github.com/facebook/zstd

Virtual environments affected

• macOS 10.15
• Ubuntu 16.04 LTS
• Ubuntu 18.04 LTS
• Windows Server 2016 R2
• Windows Server 2019

Can this tool be installed during the build?
I don't know...

Are you willing to submit a PR?
Maybe?

[smorimoto]

Related issue: actions/cache#6

[smorimoto]

I can help with this, where and what should I do? or are you already working on this?

[smorimoto]

Ubuntu:

apt install zstd

macOS:

brew install zstd

Windows:

choco install zstandard

[smorimoto]

I tried to open PR, but I couldn't find the installer directory of macOS, so I gave up. Can you help this? Cache Action needs it now!

[smorimoto]

What is the current status of this?

[smorimoto]

I just opened a PR.