🐛 Provide a default crypto provider

[evaline-ju]

Crypto provider apparently needs a default

Ref:

• https://github.com/rustls/hyper-rustls/blob/main/examples/server.rs
• https://docs.rs/rustls/latest/rustls/crypto/struct.CryptoProvider.html

For: #14

[evaline-ju]

Note: docker buildx seems to be getting 503 and failing the build, edit: seemed to be intermittent

[gkumbhat]

Looks good to me!