Create a page header struct.

src/context/mod.rs

@@ -35,6 +35,7 @@ mod line_break;
 mod macros;
 mod object;
 mod org_macro;
+mod page_header;
 mod paragraph;
 mod plain_link;
 mod plain_list;
@@ -69,4 +70,5 @@ pub(crate) use footnote_definition::RenderRealFootnoteDefinition;
 pub(crate) use global_settings::GlobalSettings;
 pub(crate) use heading::RenderHeading;
 pub(crate) use object::RenderObject;
+pub(crate) use page_header::PageHeader;
 pub(crate) use section::RenderSection;

src/context/page_header.rs

@@ -0,0 +1,19 @@
+use serde::Serialize;
+
+/// The header that goes above the content of the page.
+///
+/// This header will be mostly the same on every page.
+#[derive(Debug, Serialize)]
+pub(crate) struct PageHeader {
+    website_title: Option<String>,
+    home_link: Option<String>,
+}
+
+impl PageHeader {
+    pub(crate) fn new(website_title: Option<String>, home_link: Option<String>) -> PageHeader {
+        PageHeader {
+            website_title,
+            home_link,
+        }
+    }
+}