feat: add setup page

src/pages/setup/setup.component.html

@@ -0,0 +1,32 @@
+<mat-sidenav-container>
+  <div class="setup">
+    <mat-card class="setup-card">
+      <router-outlet/>
+      <div class="setup-navigation">
+        <div>
+          <button mat-flat-button color="accent"
+                  [disabled]="previousButtonDisabled"
+                  [hidden]="previousButtonRoute === ''"
+                  (click)="onPreviousClick()"
+                  [routerLink]="previousButtonRoute">
+            Назад
+          </button>
+        </div>
+
+        @if (loaderActive) {
+          <app-data-spinner [scale]="40"/>
+        } @else {
+          <button mat-flat-button color="accent"
+                  [disabled]="nextButtonDisabled"
+                  (click)="onNextClick()">
+            @if (getIndex === routes.length - 1) {
+              Завершить
+            } @else {
+              Далее
+            }
+          </button>
+        }
+      </div>
+    </mat-card>
+  </div>
+</mat-sidenav-container>