corrected and created fr version of firstruneprg

subjects/firstruneprog.en.md

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

subjects/firstruneprog.fr.md

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