v2.7.1

What's Changed

• docs: comprehensive documentation, templates, and project visibility by @kdeyev in #160
• docs: rewrite README, fix pre-commit for scripts, scope version-check by @kdeyev in #162
• docs: rewrite README, Energy Dashboard hero image by @kdeyev in #163
• ci: add HACS validation workflow by @kdeyev in #164
• fix: HACS validation — add issue_tracker, remove disallowed hacs.json keys by @kdeyev in #166
• fix: handle transient API errors gracefully by @kdeyev in #169

Full Changelog: v2.7.0...v2.7.1