Support DNS routes on iOS (#2254)

client/ios/NetBirdSDK/routes.go

@@ -16,9 +16,25 @@ type RoutesSelectionDetails struct {
 type RoutesSelectionInfo struct {
 	ID       string
 	Network  string
+	Domains  *DomainDetails
 	Selected bool
 }
 
+type DomainCollection interface {
+	Add(s DomainInfo) DomainCollection
+	Get(i int) *DomainInfo
+	Size() int
+}
+
+type DomainDetails struct {
+	items []DomainInfo
+}
+
+type DomainInfo struct {
+	Domain      string
+	ResolvedIPs string
+}
+
 // Add new PeerInfo to the collection
 func (array RoutesSelectionDetails) Add(s RoutesSelectionInfo) RoutesSelectionDetails {
 	array.items = append(array.items, s)
@@ -34,3 +50,16 @@ func (array RoutesSelectionDetails) Get(i int) *RoutesSelectionInfo {
 func (array RoutesSelectionDetails) Size() int {
 	return len(array.items)
 }
+
+func (array DomainDetails) Add(s DomainInfo) DomainCollection {
+	array.items = append(array.items, s)
+	return array
+}
+
+func (array DomainDetails) Get(i int) *DomainInfo {
+	return &array.items[i]
+}
+
+func (array DomainDetails) Size() int {
+	return len(array.items)
+}