fix diagram

Author: alexwolfmsft

docs/azure/sdk/media/mermaidjs/local-authentication.md

@@ -4,36 +4,40 @@ ms.date: 08/07/2024
 ---
 
 ```mermaid
-flowchart LR
-    LA[Authentication environment]
-    ARL[.NET app running locally]
+flowchart TD
+    ARL[Local .NET app]
     
     VS[Visual Studio]
     VSC[Visual Studio Code]
     AZCLI[Azure CLI]
     AZPS[Azure PowerShell]
     AZD[Azure Developer CLI]
+
+    DevAccount["Developer account credentials"]
+
+    AS["Azure services <br/><br/> Azure AI Services, Azure Blob Storage, Azure Key Vault, Azure Service Bus, other Azure services"]
     
-    AS["Azure services <br/><br/> Azure AI Services, Azure Blob Storage, Azure Key Vault, Azure Service Bus, etc."]
-    
-    LA --> ARL
     ARL --> VS
     ARL --> VSC
     ARL --> AZD
     ARL --> AZCLI
     ARL --> AZPS
     
-    VS --> AS
-    VSC --> AS
-    AZD --> AS
-    AZCLI --> AS
-    AZPS --> AS
+    VS --> DevAccount
+    VSC --> DevAccount
+    AZD --> DevAccount
+    AZCLI --> DevAccount
+    AZPS --> DevAccount
+
+    DevAccount --> AS
     
     classDef highlight fill:#0078d4,stroke:#005ba1,stroke-width:2px,color:#fff,font-size:16px
-    classDef tools fill:#e6f3ff,stroke:#0078d4,stroke-width:1px,font-size:14px
-    classDef default font-size:14px
+    classDef tools fill:#e6f3ff,stroke:#0078d4,stroke-width:1px,font-size:16px
+    classDef default font-size:16px
+    classDef lightgreen fill:#D4F4D4,stroke:#7BC97B,stroke-width:2px,color:#000,font-size:16px
     
     class AS highlight
     class VS,VSC,AZD,AZCLI,AZPS tools
     class LA,ARL default
+    class DevAccount lightgreen
 ```