created articles model
added marketigitem  model to create multiple headers, tweets, hooks, etc for articles and recipes
created qualityreviews table with type for recipe, article, or ingredient and sub_type for first review, final review, grammer review, allergen review
added relationships except plymorphic
added more measurement units for ingredient recipes amount units
added more measurement units for ingredient recipes amount units
set_units method before action for edit and new
added quality_reviewable id and type ot quality reviews table
added marketing_itemable id and type to marketing_items table
added polymorphic to models
added polymorphic to models
added articles views