website: add link to the coding guidelines (#664)

* website: add link to the coding guidelines

* revert adding coding guidelines link

* website: add link to the coding guidelines

* reorder coding guidelines pages

Author: PLeVasseur

…et.org/docs/coding_guidelines/mission.md ….org/docs/coding_guidelines/1_mission.mdarewesafetycriticalyet.org/docs/coding_guidelines/mission.md renamed to arewesafetycriticalyet.org/docs/coding_guidelines/1_mission.md arewesafetycriticalyet.org/docs/coding_guidelines/mission.md renamed to arewesafetycriticalyet.org/docs/coding_guidelines/1_mission.md

@@ -4,6 +4,8 @@ Develop a community-vetted coding guideline for Rust in safety-critical applicat
 
 The following are relevant safety-critical coding guidelines. We are also interested in adopting knowledge obtained that may currently be in company-specific documents and incorporating these into the coding guideline.
 
+[**Deployed Safety-Critical Rust Coding Guidelines**](https://coding-guidelines.arewesafetycriticalyet.org/) - _Alpha, Preview_
+
 ## State of Rust Safety-Critical Coding Guidelines
 
 ### SAE: SAfEr Rust Task Force