Spelling fixes
Spelling fix.
Update sample builder links

Puts samples in the right place, but assets still wrong.
Merge branch 'master' of https://github.com/google/WebFundamentals
Fixed sample asset moving
Targeting types report
Targeting recommendations
Update multi lang build
Merge branch 'master' of https://github.com/google/WebFundamentals
Initial content for UX principles - #627
Merge branch 'master' of https://github.com/google/WebFundamentals
Merge branch 'master' of https://github.com/google/WebFundamentals
Fix sample generation directory
Update sample building for devsite build