- Updated CLI, README and documentation to use `--starting-metal` with
`--starting-iron` retained as an alias.
- Introduced `Resources` struct and constants for wood delivery and mine
production.
- Added new structures `Mine` and `MineConstruction` with cost,
production
and cancel logic.
- Implemented building view for constructing mines and recruitment view
for spawning miners.
- Extended keybindings with `Building` and `Recruitment` actions and
updated
action availability logic.
- Modified game state, board, units and UI widgets to handle metal
resources
and new construction mechanics.
- Updated tests and increased total test count to 82, covering
resources,
construction, recruitment and context‑aware keybindings.
