Support all changeConfig parameters (#23)

* added support for ConfigChange().numberOfPlacesToSelect(...)

* added support for ConfigChange().channels([...])

* added support for ConfigChange().pricing([...])

seatsio-ios/ConfigChange.swift

@@ -4,11 +4,14 @@ public class ConfigChange: Encodable {
 
     var objectColor: String?
     var objectLabel: String?
+    var numberOfPlacesToSelect: Int?
     var maxSelectedObjects: AnyEncodable?
     var extraConfig: AnyEncodable?
-    var unavailableCategories: [String]?
     var availableCategories: [String]?
+    var unavailableCategories: [String]?
     var filteredCategories: [String]?
+    var pricing: [Pricing]?
+    var channels: [String]?
 
     public func objectColor(_ objectColor: String) -> Self {
         self.objectColor = objectColor
@@ -20,6 +23,11 @@ public class ConfigChange: Encodable {
         return self
     }
 
+    public func numberOfPlacesToSelect(_ numberOfPlacesToSelect: Int) -> Self {
+        self.numberOfPlacesToSelect = numberOfPlacesToSelect
+        return self
+    }
+
     public func maxSelectedObjects(_ maxSelectedObjects: Int) -> Self {
         self.maxSelectedObjects = AnyEncodable(value: maxSelectedObjects)
         return self
@@ -54,4 +62,14 @@ public class ConfigChange: Encodable {
         self.filteredCategories = filteredCategories
         return self
     }
+
+    public func pricing(_ pricing: [Pricing]) -> Self {
+        self.pricing = pricing
+        return self
+    }
+
+    public func channels(_ channels: [String]) -> Self {
+        self.channels = channels
+        return self
+    }
 }