Add screenshot to polish version of desert race
Lesson formatter version of polish What's That
[#135] s/answer/right answer/ in “What’s that?”

To avoid confusion with the ‘answer’ sensing block.
[#135] Update scratch files according to 66ce06f6.
Update fuegos-artificiales.md

fixed some blanks causing bad code show (some scratch code labels were displayed as text)
Add table football instructions
Merge branch 'polish_whats_that'
Merge branch 'whats_that_var_change'
Merge branch 'spanish_fireworks'
Merge branch 'table_footy'