Fix broken link

Add nix build

Include Playground link in Node Template README

Added button and text to point reader to it Playground.

Add Fedora/RHEL/CentOS Installation details

* Patch Multiaddress Into Substrate Node Template

* Updated all version to 100

* Update runtime/src/lib.rs

* Update runtime/src/lib.rs

Co-authored-by: Jimmy Chu <jimmychu0807@gmail.com>

* 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>

* Add .editorconfig and format code style

* Enforce line length to be smaller than 100

* Update Local Development docs to use Makefile

* Update Makefile per @athei

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

Update init.sh to reflect working nightly

The instruction on readme explicitly depends on nightly-2020-10-05

* nix shell config

* fix darwin

* update nightly for nix shell

Bump wasm-builder-runner

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