feat: implement basic dice frontend funcionality

frontend/src/app/feature/game/dice/dice.service.ts

@@ -0,0 +1,17 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { DiceDto, DiceResult } from './dice.model';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DiceService {
+  private apiUrl = '/backend/dice';
+
+  constructor(private http: HttpClient) { }
+
+  rollDice(diceDto: DiceDto): Observable<DiceResult> {
+    return this.http.post<DiceResult>(this.apiUrl, diceDto);
+  }
+}