Add secret provider functionality and enhance configuration data resolution

Public/Resolve-DSCConfigurationData.ps1

@@ -3,10 +3,22 @@ function Resolve-DSCConfigurationData {
     Param(
         [Parameter(Mandatory=$true, ValueFromPipeline=$true)]
         [System.Collections.Hashtable]
-        $ConfigurationData
+        $ConfigurationData,
+
+        [Parameter(Mandatory=$false)]
+        [hashtable]
+        $ProviderSettings = @{},
+
+        [Parameter(Mandatory=$false)]
+        [switch]
+        $SkipSecrets
     )
 
     process {
+        if(-not $SkipSecrets){
+            $ConfigurationData = Resolve-ConfigurationDataParameterSecrets -ConfigurationData $ConfigurationData -ProviderSettings $ProviderSettings
+        }
+
         $Context = New-ConfigurationDataResolutionContext -ConfigurationData $ConfigurationData
         return Resolve-ConfigurationDataValue -Value $ConfigurationData -Context $Context
     }