docs: add Zenith Hosting deploy option

[odpay]

hey, i work on Zenith Hosting, a startup doing one-click hosting for open source apps. we added Lychee to our marketplace, so this PR adds a small "Deploy with Zenith" link under the Installation section's Other Installation Methods list (links to https://zenith.hosting/host/lychee).

we share a cut of revenue with the projects we host. happy to explain if you're curious: hello@zenith.hosting

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Docs-only change (one line added to README). Targets master per the PR template. No new features, so tests and build steps are N/A. No LLM was used for the copy.

Summary by CodeRabbit

• Documentation
  • Added a new managed hosting option to the installation methods section, with a badge linking to the deployment guide.

[coderabbitai]

📝 Walkthrough

Walkthrough

This change adds a single bullet point to README.md under "Other Installation Methods," linking to a managed hosting option via "Deploy with Zenith" with an accompanying badge image.

Changes

README Update

Layer / File(s)	Summary
Add managed hosting install link README.md	Adds a new bullet linking to "Deploy with Zenith" managed hosting option with a badge image under the Other Installation Methods list.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Poem

A single line, a badge so bright,
"Deploy with Zenith" now in sight,
One hop, one edit, README grew,
Managed hosting joins the crew,
🐇✨ Small change, big view!

🚥 Pre-merge checks | ✅ 1

✅ Passed checks (1 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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Warning

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[coderabbitai]

🧹 Nitpick comments (1)

README.md (1)

116-116: 📐 Maintainability & Code Quality | 🔵 Trivial | 💤 Low value

Add the required README footer.

README.md still needs the --- separator and *Last updated: [date of the update]* footer required for **/*.md.

As per coding guidelines **/*.md: “At the bottom of documentation files, add an hr line followed by Last updated: [date of the update].”

Source: Coding guidelines

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 493f9ab8-12bc-4d85-b92b-724623b1f7bd

📥 Commits

Reviewing files that changed from the base of the PR and between 64d5193 and f046349.

📒 Files selected for processing (1)

• README.md

[ildyria]

Hi,
First and foremost, thank you for your interest in Lychee.

The file you will want to do a PR against is this one:
https://github.com/LycheeOrg/LycheeOrg.github.io/blob/master/src/content/docs/docs/administration/advanced-setups.md

See here:
https://lycheeorg.dev/docs/administration/advanced-setups/#other-means-of-distributions

I may add those back here later but for now this belongs to the administration docs side.

[odpay]

thanks for the warm redirect @ildyria! opened the docs PR here: LycheeOrg/LycheeOrg.github.io#315 🙏