feat(api/graphql): updates to previewer queries
Targets: https://gitlab.coko.foundation/ketida/ketida/-/issues/661
Changes proposed
- Adds a nullable
additionalExportOptionsfield to theExportBookInputinput type - Introduces a new query
getSpecificTemplatesand corresponding resolver and controller. - Removes
modefrom theExportBookInputinput type
Edited by Pokhi