new readme rotatevowels for quest06

subjects/rotatevowels.en.md

@@ -0,0 +1,26 @@
+## rotatevowels
+
+### Instructions
+
+Write a **program** that checks the arguments for vowels.
+
+- If the argument contains vowels you have to reverse the order of the vowels in the argument.
+- If the number of arguments are less than 1, the program display a new line, `\n`.
+- If the arguments doesn't have any vowels, the program just print the arguments.
+
+Example of output :
+
+```console
+student@ubuntu:~/piscine-go/test$ go build
+student@ubuntu:~/piscine-go/test$ ./rotatevowels "Hello World"
+Hollo Werld
+student@ubuntu:~/piscine-go/test$ ./rotatevowels "Hello World" "problem solved"
+Hello Werld problom solved
+student@ubuntu:~/piscine-go/test$ ./rotatevowels "str" "shh" "psst"
+str shh psst
+student@ubuntu:~/piscine-go/test$ ./rotatevowels "happy thoughts" "good luck"
+huppy thooghts guod lack
+student@ubuntu:~/piscine-go/test$ ./rotatevowels
+
+student@ubuntu:~/piscine-go/test$
+```