Update markdown test dependencies (#9075)

docs/cmdlet-example/visual-studio-simple-example.md

@@ -30,6 +30,7 @@ Add another package source with name `powershell-core` and source `https://power
 ![Step4](./Images/Step4.png)
 
 1. Add the code of cmdlet:
+
     ```csharp
     using System.Management.Automation;  // PowerShell namespace.
 
@@ -55,6 +56,7 @@ Add another package source with name `powershell-core` and source `https://power
         }
     }
     ```
+
     At this point everything should look like this:
     ![Step5](./Images/Step5.png)
 
@@ -90,6 +92,7 @@ It should find `PowerShellStandard.Library` package, select it and it will show
 ![StdImage3](./Images/Std3.png)
 
 1. Add the code of cmdlet:
+
     ```csharp
     using System.Management.Automation;  // PowerShell namespace.
 
@@ -115,6 +118,7 @@ It should find `PowerShellStandard.Library` package, select it and it will show
         }
     }
     ```
+
     At this point everything should look like this:
     ![StdImage4](./Images/Std4.png)