add to sidebar and versioned docs for v0.4.0

Signed-off-by: ashnamehrotra <[email protected]>

website/docs/RELEASE.md → website/docs/release.md

@@ -1,4 +1,6 @@
-# Release Process
+---
+title: Release Process
+---
 
 ## Overview
 

website/versioned_docs/version-v0.4.x/release.md

@@ -0,0 +1,21 @@
+---
+title: Release Process
+---
+
+## Overview
+
+The release process for Copacetic uses [GoReleaser](https://goreleaser.com/). 
+
+Once you are ready to cut a new release, checkout the release branch and tag it with the respective version.
+
+	```
+	git checkout <BRANCH NAME>
+	git pull origin <BRANCH NAME>
+	git tag -a <NEW VERSION> -m '<NEW VERSION>'
+	git push origin <NEW VERSION>
+	```
+
+## Publishing
+
+1. GoReleaser will create a new release, review and edit it at https://github.com/project-copacetic/copacetic/releases
+2. Review the respective copa-action image at: https://github.com/orgs/project-copacetic/packages/container/package/copa-action

website/versioned_sidebars/version-v0.4.x-sidebars.json

@@ -7,6 +7,7 @@
     "design",
     "faq",
     "contributing",
-    "code-of-conduct"
+    "code-of-conduct",
+    "release"
   ]
 }