feat(file): changed the mode type from uint32_t to the proper mode_t

include/file.h

@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
+#include <sys/stat.h>
 
 typedef struct {
     char** content;
@@ -12,7 +13,7 @@ typedef struct {
 } File;
 
 typedef struct {
-    uint32_t mode;
+    mode_t mode;
     char* name;
 } FileInfo;