reorganize imports

WEB-INF/src/controleur/API.java

 package controleur;
 
-import com.fasterxml.jackson.databind.JavaType;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.List;
+
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+
 import jakarta.servlet.ServletException;
 import jakarta.servlet.annotation.WebServlet;
 import jakarta.servlet.http.HttpServlet;
@@ -14,10 +18,6 @@ import modele.dao.DaoThread;
 import modele.dto.Message;
 import modele.dto.Thread;
 
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.List;
-
 @WebServlet("/api/threads/*")
 public class API extends HttpServlet {
     ObjectMapper objectMapper = new ObjectMapper().registerModule(new JavaTimeModule());