Improvments. Add source in pages sections

web/components/Description.js

web/components/Documents/HumanMadeObject.js

web/components/Layout/index.js

web/components/Mirador.js

web/components/PortableTextBlock.js

web/components/ReferredToBy.js

web/components/Sections/BigText.js

web/components/Sections/IllustrationWithCaption.js

web/components/Sections/MiradorGallery.js

web/components/Sections/SectionText.js

web/components/Sections/SingleObject.js

web/components/Sections/Source.js

web/components/Sections/index.js

web/lib/queries/index.js