Doc features

[Redhawk18]

Pull Request Template

Checklist

• Confirmed that cargo run-checks command has been executed.
• Made sure the book is up to date with changes in this PR.

error[E0463]: can't find crate for `core`
  |
  = note: the `wasm32-unknown-unknown` target may not be installed
  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`
  = help: consider building the standard library from source with `cargo build -Zbuild-std`

   Compiling foldhash v0.1.5

Related Issues/PRs

None

Changes

Added all-features = true to most crates, and where most possible tried to add every non-backend feature possible. Still wip, some crates do not compile via workflow.

Testing

Added workflow for automatic testing