Added endpoints

buisnesslogic/src/main/java/com/plannaplan/services/CourseService.java

@@ -1,5 +1,7 @@
 package com.plannaplan.services;
 
+import java.util.List;
+
 import com.plannaplan.entities.Course;
 import com.plannaplan.repositories.CourseRepository;
 
@@ -15,6 +17,10 @@ public class CourseService {
         return this.repo.findByName(name);
     }
 
+    public List<Course> getAllCourses() {
+        return this.repo.findAll();
+    }
+
     public void save(Course course) {
         this.repo.save(course);
     }