feat: support double type as map/set key

[Millione]

struct A {
    1: required map<double, double> test_map,
    2: required set<double> test_set,
}

Generated:

pub struct A {
    pub test_map: ::pilota::AHashMap<::pilota::OrderedFloat<f64>, f64>,
    pub test_set: ::pilota::AHashSet<::pilota::OrderedFloat<f64>>,
}