adding of lastruneprogram modification and french version

subjects/lastruneprog.en.md

@@ -10,8 +10,8 @@ Write a program that receives a `string` and returns the last `rune` of a `strin
 student@ubuntu:~/piscine-go/firstruneprog$ go build
 student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "this is not happening"
 g
-student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "hello"
-o
+student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "hello" | cat -e
+o$
 student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "this" "is" "not" "happening"
 student@ubuntu:~/piscine-go/firstruneprog$
 student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog

subjects/lastruneprog.fr.md

@@ -0,0 +1,19 @@
+## lastruneprog
+
+### Instructions
+
+Écrire un programme qui reçoit une `string` en paramètre et qui retourne la dernière `rune` de la `string`.
+
+### Utilisation :
+
+```console
+student@ubuntu:~/piscine-go/firstruneprog$ go build
+student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "this is not happening"
+g
+student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "hello" | cat -e
+o$
+student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog "this" "is" "not" "happening"
+student@ubuntu:~/piscine-go/firstruneprog$
+student@ubuntu:~/piscine-go/firstruneprog$ ./firstruneprog
+student@ubuntu:~/piscine-go/firstruneprog$
+```