v0.5.0

Changelog

• 6596d39: add logo file (@UemitCebi)
• 69762f1: feat(init): move scaffold templates under .maat/, drop redundant ADR copy (@UemitCebi)
• 1520057: feat(readme): add light mode logo support (@UemitCebi)
• ae97771: update logo size (@UemitCebi)