Make api.rf.com demo endpoint default in clientc

Author: hleb-albau

index.yml

@@ -15,12 +15,13 @@ info:
     * [C#](https://github.com/regulaforensics/DocumentReader-web-csharp-client) client for .NET & .NET Core
 
 servers:
-  - url: http://localhost:8080/
-    description: Local on-premise installation
   - url: https://api.regulaforensics.com/
-    description: Regula document reader SaaS
+    description: Latest stable Regula Document Reader demo endpoint
   - url: https://test-api.regulaforensics.com/
-    description: Regula document reader test SaaS
+    description: Nightly Regula document reader demo endpoint
+  - url: http://localhost:8080/
+    description: Local on-premise installation
+
 
 
 paths:
@@ -89,4 +90,4 @@ components:
     AuthenticityCheckResult:
       $ref: "./rt-authenticity.yml#/components/schemas/AuthenticityCheckResult"
     AuthenticityResultType:
-      $ref: './authenticity/e-result-type.yml#/components/schemas/AuthenticityResultType'
+      $ref: './authenticity/e-result-type.yml#/components/schemas/AuthenticityResultType'