Standardize the construction of intermediate BlogPostPage.

src/intermediate/blog_post.rs

@@ -7,6 +7,7 @@ use tokio::task::JoinHandle;
 use walkdir::WalkDir;
 
 use crate::error::CustomError;
+use crate::intermediate::page::BlogPostPageInput;
 use crate::intermediate::registry::Registry;
 
 use super::BlogPostPage;
@@ -63,8 +64,11 @@ impl BlogPost {
                     let registry = Arc::new(Mutex::new(registry));
                     let relative_to_post_dir_path = real_path.strip_prefix(post_dir)?;
                     ret.push(
-                        BlogPostPage::new(relative_to_post_dir_path, registry, parsed_document)
-                            .await?,
+                        BlogPostPage::new(
+                            registry,
+                            BlogPostPageInput::new(relative_to_post_dir_path, parsed_document),
+                        )
+                        .await?,
                     );
                 }
                 ret