Re-export BibliographyItem (typst#205)

* Re-export `BibliographyItem`

* add docs to BibliographyItem

---------

Co-authored-by: PgBiel <9021226+PgBiel@users.noreply.github.com>

src/csl/mod.rs

@@ -1010,10 +1010,15 @@ pub struct RenderedBibliography {
     pub items: Vec<BibliographyItem>,
 }
 
+/// A fully rendered bibliography item.
 #[derive(Debug, Clone)]
 pub struct BibliographyItem {
+    /// The item's key as specified in the bibliography.
     pub key: String,
+    /// The item's first field. Only available when required by the
+    /// `second-field-align` CSL property.
     pub first_field: Option<ElemChild>,
+    /// The rendered item.
     pub content: ElemChildren,
 }
 

src/lib.rs

@@ -155,9 +155,9 @@ use std::collections::BTreeMap;
 pub use crate::csl::archive;
 pub use citationberg;
 pub use csl::{
-    standalone_citation, BibliographyDriver, BibliographyRequest, Brackets,
-    BufWriteFormat, CitationItem, CitationRequest, CitePurpose, Elem, ElemChild,
-    ElemChildren, ElemMeta, Formatted, Formatting, LocatorPayload, Rendered,
+    standalone_citation, BibliographyDriver, BibliographyItem, BibliographyRequest,
+    Brackets, BufWriteFormat, CitationItem, CitationRequest, CitePurpose, Elem,
+    ElemChild, ElemChildren, ElemMeta, Formatted, Formatting, LocatorPayload, Rendered,
     RenderedBibliography, RenderedCitation, SpecificLocator,
 };
 pub use selectors::{Selector, SelectorError};