Add lesson 5 instructions
add lesson 6 code + notes
add lesson 6 instructions
cleanup lesson 6
add lesson 9
add lesson 8
cleanup markdown lesson 7 instructions
add lesson 8 resources + code + notes for club leaders
add lesson 8 instructions
add scratch cards
add scratch guides
Add README
Delete .DS_Store
Add .gitignore
Move content into en-GB
Merge pull request #3 from olyash/scratch-curriculum_Ukrainian-translation

Add Ukrainian translation
Tweak README
Add detailed contributing guide
Use human language names
Fix typo