Add button to remove post

CHDataManagement/Views/Posts/PostDetailView.swift

@@ -76,6 +76,7 @@ struct PostDetailView: View {
                 LocalizedPostDetailView(
                     post: post.localized(in: language),
                     transferImage: transferImage)
+                DeleteButton(action: deletePost)
             }
             .padding()
         }
@@ -90,6 +91,15 @@ struct PostDetailView: View {
             selection.tab = .pages
         }
     }
+
+    private func deletePost() {
+        guard content.storage.delete(post: post.id) else {
+            print("Post '\(post.id)': Failed to delete file in content folder")
+            return
+        }
+        content.remove(post)
+        selection.remove(post)
+    }
 }
 
 extension PostDetailView: MainContentView {