docs/guide-ja/start-workflow.md - revised [ci skip]
docs/guide-ja/start-installation.md - revised [ci skip]
docs/guide-ja/start-hello.md - revised [ci skip]
docs/guide-ja/start-forms.md - revised [ci skip]
docs/guide-ja/start-forms.md - small changes [ci skip]
docs/guide-ja/start-databases.md - revised [ci skip]
docs/guide-ja/start-gii.md - revised [ci skip]
docs/guide-ja/start-looking-ahead.md - revised [ci skip]
Merge pull request #6294 from softark/docs-guide-ja-start-revised

Docs guide ja start revised [ci skip]