feat: server error exception type toegevoegd

backend/src/exceptions/server-error-exception.ts

@@ -0,0 +1,12 @@
+import { ExceptionWithHttpState } from "./exception-with-http-state";
+
+/**
+ * Exception for HTTP 500 Internal Server Error
+ */
+export class ServerErrorException extends ExceptionWithHttpState {
+    status = 500;
+
+    constructor(message = 'Internal server error, something went wrong') {
+        super(500, message);
+    }
+}