ADD recognize weeks

[allanlaal]

examples:

  week nr 23
  wk 23
  week №23
  week # 23
  W23
  2022#23
  first day 9 AM of 2022#23
  week number 23
  first day 9 AM of 2022 week number 23
  2022 week 23 first day 9 AM
  2022 week nr 23
  2022W23 // ISO format