External files, improve page generation

CHDataManagement/Model/LocalizedPage.swift

@@ -8,6 +8,8 @@ import SwiftUI
  */
 final class LocalizedPage: ObservableObject {
 
+    unowned let content: Content
+
     /**
      The string to use when creating the url for the page.
 
@@ -64,7 +66,8 @@ final class LocalizedPage: ObservableObject {
     @Published
     var linkPreviewDescription: String?
 
-    init(urlString: String,
+    init(content: Content,
+         urlString: String,
          title: String,
          lastModified: Date? = nil,
          originalUrl: String? = nil,
@@ -74,6 +77,7 @@ final class LocalizedPage: ObservableObject {
          linkPreviewImage: FileResource? = nil,
          linkPreviewTitle: String? = nil,
          linkPreviewDescription: String? = nil) {
+        self.content = content
         self.urlString = urlString
         self.title = title
         self.lastModified = lastModified