Add button to remove post

CHDataManagement/Storage/Storage.swift

@@ -186,6 +186,16 @@ final class Storage: ObservableObject {
         return contentScope.move(postFilePath(post: postId), to: postFilePath(post: newId))
     }
 
+    /**
+     Completely delete a post file from the content folder
+     */
+    func delete(post postId: String) -> Bool {
+        guard let contentScope else {
+            return false
+        }
+        return contentScope.deleteFile(at: postFilePath(post: postId))
+    }
+
     // MARK: Tags
 
     private func tagFileName(tagId: String) -> String {