Add appeal and login functionality structure

Introduces initial structure for appeal and login forms in both the frontend and backend. New controllers, APIs, and components were created, but functionality has not been fully implemented yet. This serves as a foundation for future development of these features.

frontend/src/app/forms/forms.component.ts

@@ -0,0 +1,15 @@
+import {Component, Input} from '@angular/core';
+import {HeaderComponent} from '../header/header.component';
+
+@Component({
+  selector: 'app-forms',
+  imports: [
+    HeaderComponent
+  ],
+  templateUrl: './forms.component.html',
+  styleUrl: './forms.component.scss'
+})
+export class FormsComponent {
+  @Input() formTitle: string = 'Form';
+  @Input() currentPage: string = 'forms';
+}