Added flash aliases to RS 7.22 auto tiering docs

Author: rrelledge

content/operate/rs/7.22/databases/auto-tiering/_index.md

@@ -11,6 +11,7 @@ hideListLinks: true
 linktitle: Auto Tiering
 weight: 50
 url: '/operate/rs/7.22/databases/auto-tiering/'
+aliases: /operate/rs/7.22/databases/flash/
 ---
 Redis Enterprise's auto tiering offers users the unique ability to use solid state drives (SSDs) to extend databases beyond DRAM capacity.
 Developers can build applications that require large datasets using the same Redis API.

content/operate/rs/7.22/databases/auto-tiering/quickstart.md

@@ -10,6 +10,7 @@ description: Get started with Auto Tiering quickly, creating a cluster and datab
 linkTitle: Quick start
 weight: 80
 url: '/operate/rs/7.22/databases/auto-tiering/quickstart/'
+aliases: /operate/rs/7.22/databases/flash/quickstart/
 ---
 This page guides you through a quick setup of [Auto Tiering]({{< relref "/operate/rs/7.22/databases/auto-tiering/" >}}) with a single node for testing and demo purposes. 
 

content/operate/rs/7.22/databases/auto-tiering/storage-engine.md

@@ -9,6 +9,7 @@ description: Manage the storage engine used for your database with auto tiering
 linkTitle: Manage storage engine
 weight: 100
 url: '/operate/rs/7.22/databases/auto-tiering/storage-engine/'
+aliases: /operate/rs/7.22/databases/flash/storage-engine/
 ---
 
 ## Manage the storage engine