Improve Chapter 01 hosting options lesson

[jules-tth]

Scope

• Replaces the template-style Chapter 01 hosting lesson with a practical operator guide.
• Compares local installs, VMs, containers, cloud VMs, and dedicated servers by learning fit and risk.
• Adds baseline evidence commands, rollback/cleanup planning, cloud cost/security guardrails, hands-on practice, and review questions.

Verification

• python -m pip install -r requirements.txt could not run because python is not on PATH.
• python3 -m pip install -r requirements.txt passed.
• python3 -m mkdocs build --strict passed.
• make build passed.
• git diff --check passed.
• find docs -type f -name '*.md' -size 0 -print returned no files.\n\n## Duplicate check\n- Open PR overlap check for docs/lessons/01_where_to_start/1.11_where_to_host.md returned no matches immediately before PR creation.

[jules-tth]

Reviewer assignment to bdorlus failed during PR creation: GraphQL: jules-tth does not have the correct permissions to execute RequestReviewsByLogin (requestReviewsByLogin).