finished the mechanism for setting the language

levels/en_EN/low-level/basics

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+[description]
+
+For this prototype, we assume you have some experience with the command line. Here are some commands that will be useful:
+
+- ls
+- echo content > file
+- cat file
+- mkdir dir
+
+Find the riddle in your current directory and put the answer into the file "answer"!
+
+[congrats]
+
+Omnomnom!
+
+For technical reasons, you can't use `cd` in this prototype yet. But there won't be a lot of interaction with the file system anyways. :)
+
+[setup]
+
+mkdir riddle
+echo "ppl p" > riddle/consonants
+echo "ae ie" > riddle/vowels
+
+[win]
+
+cat answer | grep -i "apple \\?pie"