Rearange credits

hw8/README.md

 
 | Task     | max. Credits | Comment                 |
 | -------- | ------------ | ----------------------- |
-| task1    | 3            | `ANSWERS.md` important! |
+| task1    | 2,5          | `ANSWERS.md` important! |
 | simu1    | 0,5          |                         |
-| simu2    | 0,5          |                         |
+| simu2    | 1            |                         |
 | Deadline | +1           |                         |
 | =        | 5            |                         |