New release automations (#3813)

docs/SUMMARY.md

@@ -4,5 +4,6 @@
 
 # Deep dive
 
+-   [Release Process](release.md)
 -   [Storage notes](storage-notes.md)
 -   [Unverified devices](warning-on-unverified-devices.md)

docs/release.md

@@ -0,0 +1,24 @@
+# Release Process
+
+## Hotfix and off-cycle releases
+
+1. Prepare the `staging` branch by using the backport automation and manually merging
+2. Go to [Releasing](#Releasing)
+
+## Release candidates
+
+1. Prepare the `staging` branch by running the [branch cut automation](https://github.com/vector-im/element-web/actions/workflows/release_prepare.yml)
+2. Go to [Releasing](#Releasing)
+
+## Releasing
+
+1. Open the [Releases page](https://github.com/matrix-org/matrix-js-sdk/releases) and inspect the draft release there
+2. Make any modifications to the release notes and tag/version as required
+3. Run [workflow](https://github.com/matrix-org/matrix-js-sdk/actions/workflows/release.yml) with the type set appropriately
+
+## Artifacts
+
+Releasing the Matrix JS SDK has just two artifacts:
+
+-   Package published to [npm](https://github.com/matrix-org/matrix-js-sdk)
+-   Docs published to [Github Pages](https://matrix-org.github.io/matrix-js-sdk/)