Moved to Angular v20 and Tailwind v4 plus all related dependencies

Renamed Docker directory.

Also serving static files from FastAPI.

overlord/src/app/closing-stock/closing-stock.service.ts

@@ -1,10 +1,9 @@
 import { HttpClient, HttpParams } from '@angular/common/http';
-import { Injectable } from '@angular/core';
+import { inject, Injectable } from '@angular/core';
 import { Observable } from 'rxjs/internal/Observable';
 import { catchError } from 'rxjs/operators';
 
 import { ErrorLoggerService } from '../core/error-logger.service';
-
 import { ClosingStock } from './closing-stock';
 
 const url = '/api/closing-stock';
@@ -14,10 +13,8 @@ const serviceName = 'ClosingStockService';
   providedIn: 'root',
 })
 export class ClosingStockService {
-  constructor(
-    private http: HttpClient,
-    private log: ErrorLoggerService,
-  ) {}
+  private http = inject(HttpClient);
+  private log = inject(ErrorLoggerService);
 
   list(date: string | null, costCentre: string | null): Observable<ClosingStock> {
     const listUrl = date === null ? url : `${url}/${date}`;