R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'omock'

omock::mock_from_tables |  | mock_from_tables | HTML | source | R code
omock::subset_concepts |  | subset_concepts | HTML | source | R code
omock::synthetic_clinical_tables |  | synthetic_clinical_tables | HTML | source | R code
omock::synthetic_cohorts |  | synthetic_cohorts | HTML | source | R code
omock::synthetic_datasets |  | synthetic_datasets | HTML | source | R code
omock::synthetic_vocabulary |  | synthetic_vocabulary | HTML | source | R code