TODO

   1 auto grading + finish erdiag + corr tp1
   2 -----
   3
   4 TODO: format général TXT: (compilé en JSON)
   5
   6 10 (time)
   7 1 (fixed)
   8 Introduction (multiline, from third line ; \n --> <br>)
   9
  10 [Intro q1, multiline]
  11
  12 q1 txt
  13
  14 answer q1 (multiline txt)
  15
  16 q2 intro (multiline)
  17
  18   q2.1 [intro optional]
  19
  20     q2.1 txt
  21
  22     q2.1 options:
  23     + good
  24     - bad
  25     - bad ...etc
  26
  27     answer (integer array, one line)
  28
  29   q2.2 [intro optional]
  30
  31     q2.2 txt
  32
  33     answer (html multiline)
  34
  35 Conclusion (last block)
  36
  37 =====
  38
  39 Seems that GUI would be easier, then summary in YAML file + parse from YAML