Function tier_for_kind 

pub fn tier_for_kind(kind: &str) -> Tier

Which tier an object of this kind is spent from, once it is not a seed.

use majordomus_cli::devcontext::{tier_for_kind, Tier};
assert_eq!(tier_for_kind("adr"), Tier::Decision);
assert_eq!(tier_for_kind("test"), Tier::Source);
assert_eq!(tier_for_kind("policy"), Tier::Governance);