Add graphical duodenal ulcer interview

scenes/ccs_cases_2/doctor_office.tscn

@@ -143,7 +143,7 @@ text = "Hello, doctor."
 autowrap_mode = 2
 vertical_alignment = 1
 
-[node name="DialogueChoices" type="VBoxContainer" parent="."]
+[node name="DialogueChoices" type="GridContainer" parent="."]
 z_index = 29
 layout_mode = 1
 anchors_preset = 0
@@ -151,8 +151,9 @@ anchor_left = 0.5
 anchor_top = 1.0
 anchor_right = 0.5
 anchor_bottom = 1.0
-offset_left = -210.0
+offset_left = -450.0
 offset_top = -206.0
-offset_right = 210.0
+offset_right = 450.0
 offset_bottom = -4.0
 theme_override_constants/separation = -8
+columns = 2