Fix workflow task parsing

Project.toml

 name = "FACT_workflow_manager"
 uuid = "34b7aff1-f91f-4b8b-9a3d-d0a54f07d855"
 authors = ["Riccardo Boero <ribo@nilu.no>"]
-version = "0.0.8"
+version = "0.0.9"
 
 [deps]
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"

src/TOMLParser.jl

@@ -54,14 +54,21 @@ function parseWorkflow(filePath::String)
     # Flatten tasks into a list of dictionaries
     tasks = []
     for (task_name, task_details) in data["tasks"]
+        # Skip non-dictionary entries (e.g., `id = "no_counties"`)
         if task_details isa Dict
             # Add the task name as the "id" and flatten into a single dictionary
             task_details["id"] = task_name
             push!(tasks, task_details)
         else
-            error("Invalid task structure for task '$task_name': Expected a dictionary.")
+            println("Skipping non-dictionary task entry: '$task_name'. Value: ", task_details)
         end
     end
 
+    # Validate that at least one task is parsed
+    if isempty(tasks)
+        error("No valid tasks found in the workflow file.")
+    end
+
     return tasks
 end
+