format diagrams

doc/dev/architecture.md

@@ -30,17 +30,21 @@ sequenceDiagram
 
 ```mermaid
 classDiagram
+    
     namespace configuration {
+        
         class TargetCliCommand {
             val target: String,
             val passwordInteractive: Boolean = false
         }
+        
         class ConfigFileName {
             fileName: String
-            }
+         }
     }
 
     namespace desktop {
+        
         class DesktopCliCommand {
         }