feat: Add AllowAllDashboardAuthorizationFilter for development

- Create authorization filter to bypass Hangfire dashboard authentication
- Allow unrestricted access to /hangfire dashboard for local development
- Note: Should be replaced with proper authentication in production

ECMJobRunner.WebCron/AllowAllDashboardAuthorizationFilter.cs

@@ -0,0 +1,17 @@
+using Hangfire.Dashboard;
+
+namespace ECMJobRunner.WebCron
+{
+    /// <summary>
+    /// Authorization filter that allows all users to access Hangfire Dashboard
+    /// WARNING: This is for development only! Use proper authentication in production.
+    /// </summary>
+    public class AllowAllDashboardAuthorizationFilter : IDashboardAuthorizationFilter
+    {
+        public bool Authorize(DashboardContext context)
+        {
+            // Allow all users - FOR DEVELOPMENT ONLY
+            return true;
+        }
+    }
+}