Full generation, file type cleanup

CHDataManagement/Storage/Model/PageFile.swift

@@ -17,6 +17,12 @@ struct PageFile {
     let german: LocalizedPageFile
 
     let english: LocalizedPageFile
+
+    /**
+     Specifies additional files which should be copied to the destination when generating the content.
+     - Note: This property defaults to an empty set.
+     */
+    let requiredFiles: [String]?
 }
 
 extension PageFile: Codable {
@@ -30,22 +36,6 @@ struct LocalizedPageFile {
 
     let url: String
 
-    /**
-     The files (images, videos, other files) used in the page.
-     */
-    let files: [String]
-
-    /**
-     The additional files required for the page to function correctly, but which are not stored with the content.
-     */
-    let externalFiles: [String]
-
-    /**
-     Specifies additional files which should be copied to the destination when generating the content.
-     - Note: This property defaults to an empty set.
-     */
-    let requiredFiles: [String]
-
     let title: String
 
     let linkPreviewImage: String?