docs/guide-ja/tool-* started translation [ci skip]
docs/guide-ja/tool-debugger.md - added [ci skip]
docs/guide-ja - changed "実運用環境" to "本番環境" [ci skip]
docs/guide-ja/tool-gii.md added [ci skip]
Merge pull request #6699 from softark/docs-guide-ja-tool

Docs guide ja tool [ci skip]