Translate: modules section (3 articles)

[EpicHigh]

Part of #1

Translated

• 1-js/13-modules/index.md
• 1-js/13-modules/01-modules-intro/article.md (10/10)
• 1-js/13-modules/02-import-export/article.md (10/10)
• 1-js/13-modules/03-modules-dynamic-imports/article.md (10/10)

Also updated in-article .view/ demo files (say.view, scopes.view) for translated comments and user-facing strings.