Fix structure

Author: ufechner7

data/vsm_settings.yaml

@@ -1,10 +1,10 @@
 wings:
-    - main_wing:
-        n_panels: 40
-        spanwise_panel_distribution: "LINEAR"
-        spanwise_direction: [0.0, 1.0, 0.0]
-    - tail:
-        n_panels: 20
+    - name: main_wing
+      n_panels: 40
+      spanwise_panel_distribution: "LINEAR"
+      spanwise_direction: [0.0, 1.0, 0.0]
+    - name: tail
+      n_panels: 20
 solver_settings:
     aerodynamic_model_type: "VSM"
     max_iterations: 1000