add try catch to config migrator

MareSynchronos/MareConfiguration/ConfigurationMigrator.cs

@@ -32,6 +32,8 @@ public class ConfigurationMigrator : IHostedService
         }
 
         if (File.Exists(ConfigurationPath(MareConfigService.ConfigName)))
+        {
+            try
             {
                 var mareConfig = JsonConvert.DeserializeObject<MareConfigV0>(File.ReadAllText(ConfigurationPath(MareConfigService.ConfigName)))!;
 
@@ -40,6 +42,11 @@ public class ConfigurationMigrator : IHostedService
                     MigrateMareConfigV0ToV1(mareConfig);
                 }
             }
+            catch (Exception ex)
+            {
+                _logger.LogWarning("Failed to migrate, skipping", ex);
+            }
+        }
     }
 
     public Task StartAsync(CancellationToken cancellationToken)