chore: move all files to file-scoped namespace

src/PepperDash.Core/PasswordManagement/Config.cs

@@ -4,8 +4,8 @@ using System.Linq;
 using System.Text;
 using Crestron.SimplSharp;
 
-namespace PepperDash.Core.PasswordManagement
-{
+namespace PepperDash.Core.PasswordManagement;
+
 	/// <summary>
 	/// JSON password configuration 
 	/// </summary>
@@ -22,5 +22,4 @@ namespace PepperDash.Core.PasswordManagement
 	    {
 	        
 	    }
-	}
-}
+	}