Macro bve::localize

macro_rules! localize {
    (@en $name:literal, $($key:literal -> $value:literal),+ $(,)*) => { ... };
    (@en $name:literal) => { ... };
    ($name:literal, $($key:literal -> $value:literal),+ $(,)*) => { ... };
    ($name:literal) => { ... };
    ($locale:expr, $name:literal, $($key:literal -> $value:literal),+ $(,)*) => { ... };
    ($locale:expr, $name:literal) => { ... };
}