Implement configuration management and dependency injection framework

- Added ConfigurationReader for loading dependency definitions
- Introduced FileConfigurationLoader for file-based configuration loading
- Created IDependencyManager and IDependencyProvider interfaces for managing dependencies
- Implemented DependencyProvider for providing instances based on lifecycle
- Added Default class for logging level configuration
- Enhanced HealthCheckApi with improved route setup and health check handling

src/api/HealthCheckApi.ts

@@ -5,14 +5,17 @@ import type express from 'express';
 
 export class HealthCheckApi implements IApiRoute {
   private readonly _getRoutes: Record<string, RouteHandler>;
-  private readonly _postRoutes: Record<string, RouteHandler> = {};
-  private readonly _putRoutes: Record<string, RouteHandler> = {};
-  private readonly _deleteRoutes: Record<string, RouteHandler> = {};
+  private readonly _postRoutes: Record<string, RouteHandler>;
+  private readonly _putRoutes: Record<string, RouteHandler>;
+  private readonly _deleteRoutes: Record<string, RouteHandler>;
   private readonly _healthCheck: HealthCheck;
 
   constructor(healthCheck: HealthCheck) {
     this._healthCheck = healthCheck;
     this._getRoutes = this.setupGETRoutes();
+    this._postRoutes = this.setupPOSTRoutes();
+    this._putRoutes = this.setupPUTRoutes();
+    this._deleteRoutes = this.setupDELETERoutes();
   }
 
   public getGETRoutes(): Record<RoutePath, RouteHandler> {
@@ -33,11 +36,25 @@ export class HealthCheckApi implements IApiRoute {
 
   private setupGETRoutes(): Record<RoutePath, RouteHandler> {
     return {
-      '/_health': (req: express.Request, res: express.Response) => {
-        const health = this._healthCheck.getHealth();
-
-        res.send(health);
-      }
+      '/_health': this.getHealth.bind(this)
     };
   }
+
+  private setupPOSTRoutes(): Record<RoutePath, RouteHandler> {
+    return {};
+  }
+
+  private setupPUTRoutes(): Record<RoutePath, RouteHandler> {
+    return {};
+  }
+
+  private setupDELETERoutes(): Record<RoutePath, RouteHandler> {
+    return {};
+  }
+
+  private getHealth(req: express.Request, res: express.Response): void {
+    const health = this._healthCheck.getHealth();
+
+    res.send(health);
+  }
 }