Fix format. Try compile on Windows.

src/ftxui/screen/box.cpp

@@ -1,4 +1,5 @@
 #include "ftxui/screen/box.hpp"
+
 #include <algorithm>
 
 namespace ftxui {

src/ftxui/screen/screen.cpp

@@ -1,10 +1,12 @@
 #include "ftxui/screen/screen.hpp"
+
+#include <algorithm>
+#include <sstream>
+
 #include "ftxui/dom/node.hpp"
 #include "ftxui/screen/string.hpp"
 #include "ftxui/screen/terminal.hpp"
 
-#include <sstream>
-
 namespace ftxui {
 
 namespace {

src/ftxui/screen/terminal.cpp

@@ -1,9 +1,10 @@
+#include "ftxui/screen/terminal.hpp"
+
 #include <stdio.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
-#include <iostream>
 
-#include "ftxui/screen/terminal.hpp"
+#include <iostream>
 
 namespace ftxui {