3.0.3

What's Changed

• Fix code style issues by @magicsunday
• Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, SECURITY.md by @magicsunday
• Optimize CI pipeline order and run all checks independently by @magicsunday
• Redesign README with badges, emoji headers and structured layout by @magicsunday
• Move detailed examples from README to docs/recipes by @magicsunday

Full Changelog: 3.0.2...3.0.3