FieldTable does not accept integer type

[Jacobbishopxy]

Hi, I was trying to create a FieldTable with an integer type, such as:

  let mut ft = FieldTable::new();
  ft.insert(
      "x-message-ttl".try_into().unwrap(),
      60000.try_into().unwrap(),
  );

and the compiler tells me that "required for {integer} to implement TryInto<amqp_serde::types::FieldValue>".
Also, I've also found that both FieldName and FieldValue are private, so that I can not create such a FieldValue from 60000.
Would you want me to create a PR to fix this small issue? I'm glad to help.

[gftea]

Hi, I will reexport the amqp_serde types into amqprs namespace.
If you need a quick workaround before I release new version, you can add "amqp_serde" in your Cargo.toml, then you can use the types, because they are pub types in amqp_serde not in amqprs

[gftea]

Hi, in release v1.4.0, you can access all amqp types, e.g. FieldName, FieldValue

[Jacobbishopxy]

Got it! Thanks a lot!