* Add Rust setup steps

* Update to v2.0.1

* Cannot skip Wasm build

* Update docs

* Update build.rs

* new wasm builder, cargo update, and script tweaks

* minor update

Co-authored-by: Dan Shields <35669742+NukeManDan@users.noreply.github.com>
Co-authored-by: Dan Shields <nukemandan@protonmail.com>
Co-authored-by: Jimmy Chu <jimmychu0807@gmail.com>

1.0 wasm-builder-runner is not compatible with 2.0 wasm-builder https://github.com/paritytech/substrate/pull/7283#issuecomment-705824314

paritytech/substrate#6557 (comment)

* Upgrade to v2.0.0-rc4

* Better updates to README

Co-authored-by: Joshy Orndorff <JoshOrndorff@users.noreply.github.com>

Co-authored-by: Joshy Orndorff <JoshOrndorff@users.noreply.github.com>

Co-authored-by: Dan Forbes <dan@danforbes.dev>

Closes #35

Thanks to @brenzi for the work he did on #36 I copied a lot of it 

* alpha.6 to github

* fix format

* Run release script

* Change dependencies to crates.io