Mark the image files for copying.

src/intermediate/regular_link.rs

@@ -153,17 +153,17 @@ impl LinkTarget {
                     .canonicalize()?;
                 let input_root_directory = render_context.config.get_root_directory();
                 let relative_path_to_file = path_to_file.strip_prefix(input_root_directory)?;
-                dbg!(input_root_directory);
-                dbg!(&path_to_file);
-                dbg!(relative_path_to_file);
                 let web_path = get_web_path(
                     render_context.config,
                     render_context.output_root_directory,
                     render_context.output_file,
                     relative_path_to_file,
                 )?;
-                dbg!(&web_path);
-                // TODO: Record interest in copying the file to output.
+                let path_to_file = render_context
+                    .dependency_manager
+                    .lock()
+                    .unwrap()
+                    .mark_file_for_copying(path_to_file)?;
                 Ok(Some(web_path))
             }
         }