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/index.html

@@ -41,11 +41,13 @@
         placeholder: {
           '/es/': 'Buscar',
           '/zh-cn/': '搜索',
+          '/ja/': '検索',
           '/': 'Search'
         },
         noData: {
           '/es/': '¡Ningún resultado!',
           '/zh-cn/': '没有结果!',
+          '/ja/': '見つかりません!',
           '/': 'No results!'
         },
         depth: 6