[ja] Add words into the glossary
[ja] Translate 12.4.md into Japanese
[ja] Translate 12.5.md into Japanese
[ja] Translate 13.0.md into Japanese
[ja] Translate 13.1.md into Japanese
[ja] Translate 13.2.md into Japanese
[ja] Translate 13.3.md into Japanese.
[ja] Translate 13.4.md into Japanese.
[ja] Translate 13.5.md into Japanese.
[ja] Translate 13.6.md into Japanese.