feat(halloffame): implement image upload and enhance module functionality

- Added image upload system (JPG/PNG, max 5MB) with live preview and removal option
- Fixed Concurrency Exception during deletion (split transactions for reports and entries)
- Optimized card layout: consistent height and height-based truncation for descriptions
- Added sort direction toggle (Ascending/Descending) with arrow icons for Date, Name, and Year
- Refactored HallOfFameService to use streams for Server/Wasm compatibility
- Improved error handling and UI feedback for upload and delete operations

Shared/Models/HallOfFame.cs

@@ -19,6 +19,8 @@ namespace SZUAbsolventenverein.Module.HallOfFame.Models
         public string Link { get; set; }
         public string Status { get; set; } // "Draft" or "Published"
         public int UserId { get; set; } // Owner
+        public bool IsReported { get; set; }
+        public string ReportReason { get; set; }
 
 
         public string CreatedBy { get; set; }