✨ Features

- Implement `Deref` for `PublicInput` (5a521542)
- Introduce instructions `pick` and `place` (b7693922)

⚙️ Miscellaneous

- (!) Seal `InputIndicator` trait (b803e13a)
- (!) Use “main” & “aux over “base” & “ext” (b842ec53)
- (!) Seal trait `AIR` (44d94848)

♻️ Refactor

- (!) Shorten enum names (f9139c46)