Japanese translation of newbs.md and related documents. (#7300)

* add docs/ja/newbs.md

* Update docs/ja/newbs.md

* Updated newbs.md

* Updated newbs.md

* add docs/ja/newbs_learn_more_resources.md

* Update docs/ja/newbs.md

* update link info

他人まかせ :-)

* add docs/ja/newbs_testing_debugging.md

* Update docs/ja/newbs_testing_debugging.md

* Update docs/ja/newbs_testing_debugging.md

* add docs/ja/newbs_building_firmware.md

* update docs/ja/newbs_building_firmware.md

* Update docs/ja/newbs_testing_debugging.md

* Update docs/ja/newbs_building_firmware.md

* Update docs/ja/newbs_building_firmware.md

* Japanese translation of docs/newbs_getting_started.md

* renamed: docs/QMK入門.md -> docs/ja/newbs_getting_started.md

* update docs/ja/newbs_getting_started.md

* add ja/newbs_best_practices.md

There are no plans to translate this file.
With the completion of #7231, I will open a new PR.

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* add docs/ja/newbs_flashing.md

* add docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* update docs/ja/newbs_flashing.md

* change original log format

* update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_getting_started.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_building_firmware_configurator.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* Update docs/ja/newbs_flashing.md

* copy docs/_langs.md and docs/index.html from #7248

Co-Authored-By: shela <shelaf@users.noreply.github.com>
Co-Authored-By: takashiski <takashiskibb@gmail.com>
Co-Authored-By: Takuya Urakawa <urkwtky@gmail.com>

docs/_langs.md

@@ -5,3 +5,4 @@
   - [:fr: Français](/fr-fr/)
   - [:he: עברית](/he-il/)
   - [:ru: Русский](/ru-ru/)
+  - [:ja: 日本語](/ja/)