rework Settings in Pilz.Configuration

Pilz.Configuration/ISettings.vb

@@ -0,0 +1,9 @@
+Public Interface ISettings
+
+    ReadOnly Property Settings As IReadOnlyCollection(Of IChildSettings)
+
+    Function [Get](Of T As IChildSettings)() As T
+    Sub Reset()
+    Sub Initialize(providers As List(Of ISettingsProvider))
+
+End Interface