Calculates the relative path from the i18n projects directory to the l10n translations directory.
Absolute path to i18n/projects (e.g. root/i18n/projects)
Absolute path to l10n/translations (e.g. root/l10n/translations)
Relative path string from projects to translations, suitable for import()
Calculates the relative path from the i18n projects directory to the l10n translations directory.