Attribute Macro cw_iper_test_macros::urls

#[urls]

Implements following derive:

// Example
#[derive(strum_macros::EnumString, strum_macros::EnumIter, strum_macros::Display)]
pub enum Ics20MsgUrls {
    #[strum(serialize = "/ibc.applications.transfer.v1.MsgTransfer")]
    MsgTransfer,
    ... // Others enum fields
}