feat: add universities and restaurants (#4)

Features:
- Allow to search for individual resources by their name
- Add new resources and their handler: Universities, Restaurants
- Added new parameter to reverse output order

Reviewed-on: #4
Co-authored-by: bdoerfchen <git@bissendorf.co>
Co-committed-by: bdoerfchen <git@bissendorf.co>

core/interfaces/resource.go

@@ -3,7 +3,7 @@ package interfaces
 type Resource interface {
 	Kind() string
 
-	Name() string
+	ItemName() string
 }
 
 type ResourceList struct {