Add indexes doc for 2.8

Author: vadim-kharin-codefresh

codefresh/README.md

@@ -2120,6 +2120,13 @@ mongodb:
     enabled: false
 ```
 
+#### ⚠️ New indexes in MongoDB
+
+If you maintain indexes manually (i.e. [Auto-index creation](#enabling-auto-index-creation) is off) you must create the following indexes **before or right after** the upgrade:
+
+- [Database: `codefresh`, collection: `users`, index: `account_1__id_1`](https://github.com/codefresh-io/codefresh-onprem-helm/tree/release-2.8/indexes/codefresh/users.json#L2-L9)
+- [Database: `codefresh`, collection: `users`, index: `role_1_account_1__id_1`](https://github.com/codefresh-io/codefresh-onprem-helm/tree/release-2.8/indexes/codefresh/users.json#L10-L17)
+
 ### PostgreSQL update
 
 Default PostgreSQL image is changed from 13.x to 17.x

codefresh/README.md.gotmpl

@@ -2129,6 +2129,15 @@ mongodb:
     enabled: false
 ```
 
+#### ⚠️ New indexes in MongoDB
+
+
+If you maintain indexes manually (i.e. [Auto-index creation](#enabling-auto-index-creation) is off) you must create the following indexes **before or right after** the upgrade:
+
+
+- [Database: `codefresh`, collection: `users`, index: `account_1__id_1`](https://github.com/codefresh-io/codefresh-onprem-helm/tree/release-2.8/indexes/codefresh/users.json#L2-L9)
+- [Database: `codefresh`, collection: `users`, index: `role_1_account_1__id_1`](https://github.com/codefresh-io/codefresh-onprem-helm/tree/release-2.8/indexes/codefresh/users.json#L10-L17)
+
 ### PostgreSQL update
 
 Default PostgreSQL image is changed from 13.x to 17.x