Implemented the Result model.

Sources/Models/Result.swift

@@ -0,0 +1,27 @@
+struct Result<Model: Decodable> {
+    let items: [Model]
+}
+
+// MARK: - Decodable
+
+extension Result: Decodable {
+    
+    // MARK: Enumerations
+    
+    enum CodingKeys: String, CodingKey {
+        case items = "amiibo"
+    }
+    
+    // MARK: Initialisers
+    
+    init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        do {
+            self.items = try container.decode([Model].self, forKey: .items)
+        } catch {
+            self.items = [try container.decode(Model.self, forKey: .items)]
+        }
+    }
+    
+}