Creation of side-menu.

frontend/src/app/pages/home/home.component.html

@@ -1 +1,2 @@
 <h1>Welcome to Codiki application!</h1>
+<app-side-menu></app-side-menu>

frontend/src/app/pages/home/home.component.ts

@@ -1,9 +1,10 @@
 import { Component } from '@angular/core';
+import { SideMenuComponent } from '../../components/side-menu/side-menu.component';
 
 @Component({
   selector: 'app-home',
   standalone: true,
-  imports: [],
+  imports: [SideMenuComponent],
   templateUrl: './home.component.html',
   styleUrl: './home.component.scss'
 })

frontend/src/app/pages/login/login.service.ts

@@ -2,8 +2,8 @@ import { Injectable, inject } from '@angular/core';
 import { BehaviorSubject, Observable } from 'rxjs';
 import { copy } from '../../core/utils/ObjectUtils';
 import { FormError } from '../../core/model/FormError';
-import { UserRestService } from '../../core/rest-services/user.rest-service';
-import { LoginRequest } from '../../core/rest-services/model/login.model';
+import { UserRestService } from '../../core/rest-services/user/user.rest-service';
+import { LoginRequest } from '../../core/rest-services/user/model/login.model';
 import { AuthenticationService } from '../../core/service/authentication.service';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { Router } from '@angular/router';