Gracefully fail on Cardigann definitions Exceptions (#595)

src/Jackett/Services/IndexerManagerService.cs

@@ -74,6 +74,8 @@ namespace Jackett.Services
         {
             logger.Info("Loading Cardigann definitions from: " + path);
 
+            try
+            {
                 DirectoryInfo d = new DirectoryInfo(path);
 
                 foreach (var file in d.GetFiles("*.yml"))
@@ -91,6 +93,11 @@ namespace Jackett.Services
                     }
                 }
             }
+            catch (Exception ex)
+            {
+                logger.Error(ex, "Error while loading Cardigann definitions: "+ ex.Message);
+            }
+        }
 
         public IIndexer GetIndexer(string name)
         {