fix: add documentation for many classes where it was missing

src/authorization/SimpleAuthorizer.ts

@@ -1,6 +1,9 @@
 import { UnsupportedHttpError } from '../util/errors/UnsupportedHttpError';
 import { Authorizer, AuthorizerArgs } from './Authorizer';
 
+/**
+ * Authorizer which allows all access independent of the identifier and requested permissions.
+ */
 export class SimpleAuthorizer extends Authorizer {
   public async canHandle(input: AuthorizerArgs): Promise<void> {
     if (!input.identifier || !input.permissions) {