feat(AppVersion): Add version tracking system for frontend cache invalidation

- Add AppVersion entity with CurrentVersion, MinRequiredVersion, RequiresFullCacheClear
- Add GetAppVersion query to check app version and compare with client version
- Add GetAllAppVersions query for admin panel
- Add UpdateAppVersion command to update/create app versions
- Add appversion.proto for gRPC communication
- Add AppVersionService for gRPC endpoints
- Add database migration for AppVersions table

src/CMSMicroservice.Application/AppVersionCQ/Queries/GetAllAppVersions/GetAllAppVersionsQuery.cs

@@ -0,0 +1,23 @@
+namespace CMSMicroservice.Application.AppVersionCQ.Queries.GetAllAppVersions;
+
+/// <summary>
+/// Query برای دریافت همه نسخه‌های اپلیکیشن‌ها
+/// </summary>
+public record GetAllAppVersionsQuery(bool IncludeInactive = false) : IRequest<List<AppVersionItemDto>>;
+
+/// <summary>
+/// DTO برای هر آیتم نسخه اپلیکیشن
+/// </summary>
+public record AppVersionItemDto
+{
+    public long Id { get; init; }
+    public string AppName { get; init; } = string.Empty;
+    public string CurrentVersion { get; init; } = string.Empty;
+    public string MinRequiredVersion { get; init; } = string.Empty;
+    public bool RequiresFullCacheClear { get; init; }
+    public string? UpdateMessage { get; init; }
+    public string? ReleaseNotes { get; init; }
+    public bool IsActive { get; init; }
+    public DateTime Created { get; init; }
+    public DateTime? LastModified { get; init; }
+}