feat : Vector3 int -> float, 이동시 int 캐스팅 제거, 프로그램 실행시 setting.json 추가

ClientTester/EchoClientTester/Vector3.cs

@@ -2,7 +2,7 @@ namespace ClientTester;
 
 public class Vector3
 {
-    public int X { get; set; }
-    public int Y { get; set; }
-    public int Z { get; set; }
+    public float X { get; set; }
+    public float Y { get; set; }
+    public float Z { get; set; }
 }