Add theme: Zen

[laughmaker]

Please switch to Preview and select one of the following links:

• Community Plugin
• Community Theme

[github-actions]

Hello!

I found the following issues in your theme submission

Errors:

❌ You did not follow the pull request template.
❌ Your theme screenshot is too big, we generally recommend a size around 512 × 288 pixels.
Detected size: 3366 x 2574 pixels

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Warnings:

⚠️ Your repository does not include a license. It is generally recommended for open-source projects to have a license. Go to https://choosealicense.com/ to compare different open source licenses.

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^{This check was done automatically. Do NOT open a new PR for re-validation. Instead, to trigger this check again, make a change to your PR and wait a few minutes, or close and re-open it.}

[laughmaker]

Hello, I have updated the corresponding errors. Please review!

[laughmaker]

Hello, I have updated the corresponding errors. Please review!

[laughmaker]

Hello, I have updated the corresponding errors. Please review!

[github-actions]

Hello!

I found the following issues in your theme submission

Errors:

❌ You did not follow the pull request template.

---

^{This check was done automatically. Do NOT open a new PR for re-validation. Instead, to trigger this check again, make a change to your PR and wait a few minutes, or close and re-open it.}