add simple query optimization guide

[lio-p]

Summary

Related to #3027 to add query optimization guidance.

Re-use content from query optimization guide to add a query optimization guide that ties some more advanced topics such as query analyzer, profiling and performance pitfalls together.

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/en/integrations/index.mdx