Describe the feature

Update of missing Japanese translations and location of translated files in the guide

Reasons why it should be considered

To use the mod more conveniently

I have created the missing json/guide files for the Japanese translation.
However, I don't know where to donate the file I created.

I understand that this is not the right place to write this, but I am writing this because I am new to GitHub and did not know where to go to contact you.

I used Deepl because I wasn't sure about the long sentences.

Additional details

No response

As is written on the README, we use Crowdin for translation to other languages. However, this currently only works for ingame strings such as item names and GUI text.

Currently, we don't yet have any way of translating the guide. While we would like to make the guide translateable, we can't exactly say how long it will be until this happens.