Move required files to settings

CHDataManagement/Model/Page.swift

@@ -40,10 +40,6 @@ final class Page: Item, DateItem, LocalizedItem {
     @Published
     var tags: [Tag]
 
-    /// Additional files to copy, because the page content references them
-    @Published
-    var requiredFiles: [FileResource]
-
     var savedData: Data?
 
     init(content: Content,
@@ -56,8 +52,7 @@ final class Page: Item, DateItem, LocalizedItem {
          endDate: Date?,
          german: LocalizedPage,
          english: LocalizedPage,
-         tags: [Tag],
-         requiredFiles: [FileResource]) {
+         tags: [Tag]) {
         self.externalLink = externalLink
         self.isDraft = isDraft
         self.createdDate = createdDate
@@ -68,7 +63,6 @@ final class Page: Item, DateItem, LocalizedItem {
         self.german = german
         self.english = english
         self.tags = tags
-        self.requiredFiles = requiredFiles
 
         super.init(content: content, id: id)
     }
@@ -186,9 +180,6 @@ final class Page: Item, DateItem, LocalizedItem {
     }
 
     func remove(_ file: FileResource) {
-        if requiredFiles.contains(file) {
-            requiredFiles.remove(file)
-        }
         english.linkPreview.remove(file)
         german.linkPreview.remove(file)
     }
@@ -210,8 +201,7 @@ extension Page: StorageItem {
             endDate: data.endDate,
             german: .init(context: context, data: data.german),
             english: .init(context: context, data: data.english),
-            tags: data.tags.compactMap(context.tag),
-            requiredFiles: data.requiredFiles?.compactMap(context.file) ?? [])
+            tags: data.tags.compactMap(context.tag))
         savedData = data
     }
 
@@ -226,7 +216,6 @@ extension Page: StorageItem {
         let endDate: Date?
         let german: LocalizedPage.Data
         let english: LocalizedPage.Data
-        let requiredFiles: [String]?
     }
 
 
@@ -240,8 +229,7 @@ extension Page: StorageItem {
             startDate: startDate,
             endDate: endDate,
             german: german.data,
-            english: english.data,
-            requiredFiles: requiredFiles.nonEmpty?.map { $0.id }.sorted())
+            english: english.data)
     }
 
     func saveToDisk(_ data: Data) -> Bool {