feat: refac and add key deletion route

internal/server/service/keyservice.go

@@ -50,6 +50,15 @@ func (s *KeyService) Create(name string, expiresAt time.Time) (assets.KeyRespons
 	return keyResponse, nil
 }
 
-func (s *KeyService) DeleteByName(name string) {
+func (s *KeyService) DeleteByName(name string) error {
+	keyRecord, err := database.FindKeyByName(s.db, name)
+	if err != nil {
+		return err
+	}
 
+	if err := database.DeleteKeyByID(s.db, keyRecord.ID); err != nil {
+		return err
+	}
+
+	return nil
 }