Merge remote-tracking branch 'remotes/origin/develop' into feature/diagrams-editor

# Conflicts:
#	CHANGELOG.md
#	web/documentserver-example/csharp-mvc/assets/document-formats
#	web/documentserver-example/csharp/assets/document-formats
#	web/documentserver-example/go/static/assets/document-formats
#	web/documentserver-example/java/src/main/resources/assets/document-formats
#	web/documentserver-example/php/assets/document-formats
#	web/documentserver-example/python/assets/document-formats
#	web/documentserver-example/ruby/assets/document-formats

web/documentserver-example/csharp/README.md

@@ -39,7 +39,15 @@ Configure the IIS components for the server to work correctly:
 * **Common HTTP Features**: Default Document,
 * **Security**: Request Filtering.
 
-## Step 4. Run your website with the editors
+## Step 4. Configure JWT 
+
+Open the *settings.config* file and [specify the same secret key](https://helpcenter.onlyoffice.com/installation/docs-configure-jwt.aspx) as used in your Document Server to enable JWT: 
+
+```
+<add key="files.docservice.secret" value="secret" />
+```
+
+## Step 5. Run your website with the editors
 1. Run the Internet Information Service (IIS) Manager:
 
 	**Start** -> **Control Panel** -> **System and Security** -> **Administrative Tools** -> **Internet Information Services (IIS) Manager**
@@ -67,7 +75,7 @@ Configure the IIS components for the server to work correctly:
 	
 	![browse](screenshots/browse.png)
 
-## Step 5. Check accessibility
+## Step 6. Check accessibility
 
 In case the example and Document Server are installed on different computers, make sure that your server with the example installed has access to the Document Server with the address which you specify instead of **documentserver** in the configuration files.