Update 13 files

- /docs/content/referentials/ref_standards.en.md
- /docs/content/referentials/ref_prives.en.md
- /docs/content/referentials/ref_lier.en.md
- /docs/content/referentials/ref_use.en.md
- /docs/content/templates/_index.en.md
- /docs/content/templates/templates.en.md
- /docs/content/templates/templates_options.en.md
- /docs/content/templates/templates_export.en.md
- /docs/content/projects/projects.en.md
- /docs/content/projects/sets.en.md
- /docs/content/projects/items.en.md
- /docs/content/projects/items_import.en.md
- /docs/content/projects/items_copy.en.md