step by step tutorial on how to use Text Token authentication (#143)

Co-authored-by: stas <[email protected]>

Author: stishkin

docs/images/TxtToken-job-config.PNG

@@ -11,7 +11,7 @@
 * Using the RAFT [command line](cli-reference.md)
 * REST API
   * [Swagger](sdk/swagger.md)
-  * [Authentication](schema/authentication)
+  * [Authentication](schema/authentication.md)
   * [Using Postman](schema/postman.md)
 
 * [Job Definition file](schema/jobdefinition.md)
@@ -20,3 +20,5 @@
   * [How to SSH to a container](troubleshooting/idle.md)
 * Browse our [Samples Gallery](samples.md)
 * Browse our [Video Tutorials](https://www.youtube.com/channel/UCUgE9Mv0GsavLg4I7z0lHVA)
+* Step-by-step
+  * [Text Token](step-by-step/txttoken.md)

docs/images/create-secret.PNG

@@ -0,0 +1,25 @@
+# How to use Token authentication
+
+- Add token to RAFT keyvault 
+- Specify in job config token authentication
+
+**Add token to RAFT keyvault**
+
+Got to your RAFT deployment keyvault
+
+![RAFT resource group](../images/resource-group.png)
+
+Under the `Secrets` select `Generate/Import` button.
+
+![RAFT keyvault](../images/key-vault.png)
+
+
+Create a secret with name that follows environment variable conventions (e.g. no dashes in the name). Add you `Token` text as the secret value.
+![Create secret](../images/create-secret.png)
+
+
+**Specify in job config token authentication**
+
+In your job config specify the secret to be imported in the list of `keyVaultSecrets`. Use that secret as `TxtToken` authentication method.
+
+![Job Config](../images/TxtToken-job-config.png)