feat: Create DenyAllAuthorizer

src/authorization/DenyAllAuthorizer.ts

@@ -0,0 +1,11 @@
+import { ForbiddenHttpError } from '../util/errors/ForbiddenHttpError';
+import { Authorizer } from './Authorizer';
+
+/**
+ * An authorizer that rejects all requests.
+ */
+export class DenyAllAuthorizer extends Authorizer {
+  public async handle(): Promise<never> {
+    throw new ForbiddenHttpError();
+  }
+}