Change Setup method visibility to public

.github/workflows/push_main.yml

@@ -4,8 +4,8 @@ on:
   push:
     branches:
       - "main"
-    #paths:
-      #- "TimetableDesigner.Backend.Events**"
+    paths:
+      - "TimetableDesigner.Backend.Events**"
 
 jobs:
   build:

TimetableDesigner.Backend.Events/EventQueue.cs

@@ -4,5 +4,5 @@ namespace TimetableDesigner.Backend.Events;
 
 public abstract class EventQueue
 {
-    internal abstract void Setup(IServiceCollection services);
+    public abstract void Setup(IServiceCollection services);
 }