refactor(backend): Bestanden die enkel types of interfaces exporteren hernoemd naar *.d.ts

frontend/src/services/auth/auth-config-loader.ts

@@ -1,5 +1,5 @@
 import apiClient from "@/services/api-client.ts";
-import type {FrontendAuthConfig} from "@/services/auth/auth-types.ts";
+import type {FrontendAuthConfig} from "@/services/auth/auth.d.ts";
 
 /**
  * Fetch the authentication configuration from the backend.

frontend/src/services/auth/auth-service.ts

@@ -3,7 +3,7 @@
  */
 
 import {computed, reactive} from "vue";
-import type {AuthState, Role, UserManagersForRoles} from "@/services/auth/auth-types.ts";
+import type {AuthState, Role, UserManagersForRoles} from "@/services/auth/auth.d.ts";
 import {User, UserManager} from "oidc-client-ts";
 import {loadAuthConfig} from "@/services/auth/auth-config-loader.ts";
 import authStorage from "./auth-storage.ts"

frontend/src/services/auth/auth-storage.ts

@@ -1,4 +1,4 @@
-import type {Role} from "@/services/auth/auth-types.ts";
+import type {Role} from "@/services/auth/auth.d.ts";
 
 export default {
     /**