Document builders don't need to be consumed when built

Instead of taking a self we could take a &self and allow reuse of this builder to make other similar documents.

added W-api-break label

created branch 26-document-builders-don-t-need-to-be-consumed-when-built

mentioned in merge request !18 (merged)

closed via merge request !18 (merged)

closed via commit 0cf053b7

mentioned in commit 0cf053b7