Add Japanese translation

[KaitoMuraoka]

This will be updated periodically.
I open the issue for organisation reason and to document the progress:

Index

File	Status	Progress	Editor
index.md	Done	100%	@KaitoMuraoka

Install

File	Status	Progress	Editor
linux.md	Done	100%	KaitoMuraoka
macos.md	Done	100%	KaitoMuraoka

Getting Started

File	Status	Progress	Editor
hello-world.md	Done	100%	KaitoMuraoka
folder-structure.md	Done	100%	KaitoMuraoka
spm.md	Done	100%	KaitoMuraoka
xcode.md	Done	100%	KaitoMuraoka

Basics

File	Status	Progress	Editor
routing.md	Done	100%	KaitoMuraoka
content.md	Done	100%	KaitoMuraoka
client.md	Done	100%	KaitoMuraoka
validation.md	Done	100%	KaitoMuraoka
async.md	Done	100%	KaitoMuraoka
logging.md	Done	100%	KaitoMuraoka
environment.md	Done	100%	KaitoMuraoka
errors.md	Done	100%	KaitoMuraoka
controllers.md	Done	100%	KaitoMuraoka

Fluent

File	Status	Progress	Editor
overview.md	In Progress		@lemo-nade-room
model.md	Open
relations.md	Open
migration.md	Open
query.md	Open
transaction.md	Open
schema.md	Open
advanced.md	Open

Leaf

File	Status	Progress	Editor
getting-started.md	Done	100%	KaitoMuraoka
overview.md	Done	100%	KaitoMuraoka
custom-tags.md	Done	100%	KaitoMuraoka

Redis

File	Status	Progress	Editor
overview.md	Open
sessions.md	Open

Advanced

File	Status	Progress	Editor
middleware.md	Open
testing.md	Open
server.md	Open
files.md	Open
commands.md	Open
queues.md	In Progress		lemo-nade-room
websockets.md	Open
sessions.md	Open
services.md	Open
apns.md	Open

Security

File	Status	Progress	Editor
authentication.md	Open
crypto.md	Open
passwords.md	Open
jwt.md	Open

Deploy

File	Status	Progress	Editor
digital-ocean.md	Open
heroku.md	Open
supervisor.md	Open
systemd.md	Open
ngix.md	Open
docker.md	Open

Contributing

File	Status	Progress	Editor
contributing.md	Open

Version (4.0)

File	Status	Progress	Editor
legacy-docs.md	Open
upgrading.md	Open

Release Notes

File	Status	Progress	Editor
release-notes.md	Open

[KaitoMuraoka]

PR merged in the past

• Index : Start Japanese translation #899
• Install & Getting Started : Add Japanese translation for ”Install” and "Getting Started" #908
• basic : Add Japanese translation for ”basic" #948

[zukizukizuki]

I would like to help.

[0xTim]

@zukizukizuki there's a contributing guide for translations on the README - https://github.com/vapor/docs?tab=readme-ov-file#translating

So if everything makes sense feel free to start submitting PRs!

[KaitoMuraoka]

@zukizukizuki

Feel free to translate items that are marked as Open.
For the status marked as In Progress...
I'm sorry, I'll do it right away.🙇
It might be easier to review if you could consolidate the Pull Requests like this.

This item will be updated regularly.

[zukizukizuki]

Yes, sir. I will make PRs in due course.