Remove uncessary file

Author: CoderMJLee

KakaJSON/Global/KakaJSON.swift

@@ -10,7 +10,7 @@
 public class Property: CustomStringConvertible {
     public let name: String
     public let type: Any.Type
-    public private(set) var dataType: Any.Type = Any.self
+    public private(set) lazy var dataType: Any.Type = type~!
     public let isVar: Bool
     public let offset: Int
     public let ownerType: Any.Type
@@ -23,7 +23,6 @@ public class Property: CustomStringConvertible {
         self.isVar = isVar
         self.offset = offset
         self.ownerType = ownerType
-        self.dataType = type~!
     }
 
     func set(_ value: Any, for model: UnsafeMutableRawPointer) {

KakaJSON/Metadata/Property.swift

@@ -73,6 +73,22 @@ class JTM_03_NestedModel: XCTestCase {
         XCTAssert(person?.dogs?["dog1"]?.age == dogs[1].age)
     }
 
+    func testRecursive() {
+        class Person: Convertible {
+            var name: String = ""
+            var parent: Person?
+            required init() {}
+        }
+        
+        let json: [String: Any] = [
+            "name": "Jack",
+            "parent": ["name": "Jim"]
+        ]
+        
+        let person = json.kj.model(Person.self)
+        XCTAssert(person?.name == "Jack")
+        XCTAssert(person?.parent?.name == "Jim")
+    }
 
     func testOptional() {
         struct Book: Convertible {

KakaJSONTests/JSON_To_Model/JTM_03_NestedModel.swift

@@ -102,6 +102,9 @@ Or you can login Xcode with your GitHub account. just search **KakaJSON**.
 ## Coding
 
 ```swift
+// file path (can be String or URL)
+let file = "/Users/mj/Desktop/test.data"
+
 /****************** String ******************/
 let string1 = "123"
 // wrtite String to file