`alg` identifier for falcon

[OR13]

I'm looking for something like this:

https://github.com/cyph/pqcrypto.js/tree/master/packages/dilithium-crystals

The default parameter set is Dilithium5 (roughly 256-bit strength).

[OR13]

Related to defining support for JOSE / COSE built on your implementation here.

https://github.com/mesur-io/post-quantum-signatures