Enhance API routing and health check functionality

- Added ApiRouteTemplate as a base class for defining API routes
- Implemented HealthCheckApi for health check endpoint management
- Introduced IApiRoute interface for consistent route handling
- Updated UserApiRoute to align with new routing structure
- Added HealthCheck class for health status retrieval
- Improved dependency management with new types and interfaces

src/logger/appenders/Appender.ts

@@ -1,4 +1,4 @@
-import {LoggingLevel, type LoggingLevelType} from '../LoggingLevel';
+import {type LoggingLevelType} from '../LoggingLevel';
 import type ILogMessage from './LogMessage';
 
 export type AppenderOptions = {
@@ -7,7 +7,7 @@ export type AppenderOptions = {
 
 export default class Appender {
   private readonly _logRecorderUrl: string = 'https://logserver.techniker.me/api/logs';
-  // @ts-ignore
+  // @ts-expect-error browser vs node
   private readonly _domain: string = typeof globalThis !== 'undefined' ? (globalThis.location?.hostname ?? '') : '';
   private readonly _logMessageQueue: ILogMessage[] = [];
   private _pendingPostLogMessagePromise: Promise<Response | undefined> | undefined = undefined;