adjust frontend to new backend

templates/services/configuration.mustache

@@ -0,0 +1,21 @@
+import type { AbstractServerConfiguration } from "./http";
+import type { HttpLibrary, RequestContext } from "../http/http";
+import type { Middleware } from "../middleware";
+import type { AuthMethods, TokenProvider } from "../auth/auth";
+import type { Configuration } from "../configuration";
+
+export abstract class AbstractConfiguration implements Configuration {
+    abstract get baseServer(): AbstractServerConfiguration;
+    abstract get httpApi(): HttpLibrary;
+    abstract get middleware(): Middleware[];
+    abstract get authMethods(): AuthMethods;
+}
+
+export abstract class AbstractAuthMethod {
+    public abstract getName(): string;
+    public abstract applySecurityAuthentication(context: RequestContext): void | Promise<void>;
+};
+
+export abstract class AbstractTokenProvider implements TokenProvider {
+    public abstract getToken(): string | Promise<string>;
+}