Update README.md

Author: Jenni-Foued

0x07-pointers_arrays_strings/README.md

@@ -8,14 +8,23 @@
 
 ## Files & Descriptions
 
-0-memset.c</br>
-1-memcpy.c</br>
-2-strchr.c</br>
-3-strspn.c</br>
-4-strpbrk.c</br>
-5-strstr.c</br>
-7-print_chessboard.c</br>
-8-print_diagsums.c</br>
-9-set_string.c</br>
-101-crackme_password
+[0-memset.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/0-memset.c)  a function that fills memory with a constant byte</br>
+
+[1-memcpy.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/1-memcpy.c)  a function that copies memory area</br>
+
+[2-strchr.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/2-strchr.c)  a function that locates a character in a string</br>
+
+[3-strspn.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/3-strspn.c)  a function that gets the length of a prefix substring</br>
+
+[4-strpbrk.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/4-strpbrk.c)  a function that searches a string for any of a set of bytes</br>
+
+[5-strstr.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/5-strstr.c)   a function that locates a substring</br>
+
+[7-print_chessboard.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/7-print_chessboard.c)   a function that prints the chessboard</br>
+
+[8-print_diagsums.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/8-print_diagsums.c)  a function that prints the sum of the two diagonals of a square matrix of integers</br>
+
+[9-set_string.c](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/9-set_string.c)  a function that sets the value of a pointer to a char</br>
+
+[101-crackme_password](https://github.com/Jenni-Foued/holbertonschool-low_level_programming/tree/master/0x07-pointers_arrays_strings/101-crackme_password)  a file that contains the password for the [crackme2](https://github.com/holbertonschool/0x06.c/blob/master/crackme2) executable