Functions: generate "other" functions from system tables

[Blargian]

Summary

Start generating "Other" functions from system tables

Checklist

• Delete items not relevant to your PR
• URL changes should add a redirect to the old URL via https://github.com/ClickHouse/clickhouse-docs/blob/main/docusaurus.config.js
• If adding a new integration page, also add an entry to the integrations list here: https://github.com/ClickHouse/clickhouse-docs/blob/main/docs/integrations/index.mdx

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Preview	Comments	Updated (UTC)
clickhouse-docs	Ready	Preview	Comment	Oct 16, 2025 10:16am
clickhouse-docs-jp	Building	Preview	Comment	Oct 16, 2025 10:16am
clickhouse-docs-ru	Ready	Preview	Comment	Oct 16, 2025 10:16am
clickhouse-docs-zh	Ready	Preview	Comment	Oct 16, 2025 10:16am

[Copilot]

Pull Request Overview

This PR adds support for generating documentation for "Other" category functions from system tables. It adds the "Other" category to the function generation script to handle functions that don't fit into existing categories.

• Adds "Other" as a new function category to the generation script
• Includes corresponding source and destination file entries for other-functions.md
• Ensures complete coverage of all functions in the documentation generation process

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}

[Blargian]

Failing docs check here fixed in ClickHouse/ClickHouse#88141