feat: add ft_bzero function

ft_bzero.c

@@ -0,0 +1,6 @@
+#include "libft.h"
+
+void	ft_bzero(void *s, size_t n)
+{
+	ft_memset(s, 0, n);
+}

libft.h

@@ -55,4 +55,10 @@ size_t	ft_strlen(const char *s);
 */
 void	*ft_memset(void *b, int c, size_t len); 
 
+/*
+	The bzero() function writes n zeroed 
+	bytes to the string s.
+*/
+void	ft_bzero(void *s, size_t n);
+
 #endif