Run `ruff format .` to reformat Python code blocks inside markdown files
(AGENTS.md and docs/**/*.md). Ruff 0.16.0 formats embedded Python code
blocks in .md files, and the CI `lint-check` step runs `ruff format . --check`
which was failing on 109 files.
Release-Notes: skip
User-Impact: none
Agent-Logs-Url: https://github.com/jpawlowski/hass.tibber_prices/sessions/05437696-813b-432a-b05e-af698a9fa903
Co-authored-by: jpawlowski <75446+jpawlowski@users.noreply.github.com>