Fix list issue

docs/ecolyo/functionalities/challenge.md

@@ -7,21 +7,21 @@ This section explain all the functionnalities in the challenge part
 
 ### Basic Question
 
-All basics Questions are created in the quizEntity.json. We have to add :
-- questionLabel => Label of the question
-- Answers => An array of three answers (answerLabel, isTrue)
-- description => Explain the question
-- source => Source of the explanaition
+All basics Questions are created in the quizEntity.json. We have to add :  
+- questionLabel => Label of the question  
+- Answers => An array of three answers  (answerLabel, isTrue)  
+- description => Explain the question  
+- source => Source of the explanaition  
 
 In the question page the user have to select an answer and click validate. 
 Then, he sees the right answer and a modal with the explaination and the source. After this modal, he goes to the next question.
 
 ### Custom Question
 
-At the end of every quiz, we're creating a custom question. During the creation of the quiz, we have to add :
-- type => data or calculation
-- period => the period selected for the calcul
-- timestep => the interval of the calcul (Day, Month, Year)
+At the end of every quiz, we're creating a custom question. During the creation of the quiz, we have to add :  
+- type => data or calculation  
+- period => the period selected for the calcul  
+- timestep => the interval of the calcul (Day, Month, Year)  
 We get all this information to determine the custom question (All information are in the quizEntity.json). Depending of the question type, the system calcul a maximum or an average data. 
 Then, he generate two randoms answers following the right answer.