fix: add missing english translations for ALL vocabulary

content/Hanyu-Jiaocheng/.apkg-spec.yaml

content/Hanyu-Jiaocheng/vocabulary/2a-l02.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l03.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l04.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l05.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l06.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l08.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l09.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l10.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l11.csv

content/Hanyu-Jiaocheng/vocabulary/2a-l12.csv

package.json