Extracted frontend from webservice to new directory

Updated directory structure
Updated .gitignore

frontend/src/app/Helpers/auth.interceptor.ts

@@ -0,0 +1,30 @@
+import { HTTP_INTERCEPTORS, HttpEvent } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import {
+  HttpInterceptor,
+  HttpHandler,
+  HttpRequest,
+} from '@angular/common/http';
+import { TokenStorageService } from '../Services/token.service';
+import { Observable } from 'rxjs';
+const TOKEN_HEADER_KEY = 'Authorization'; // for Spring Boot back-end
+@Injectable()
+export class AuthInterceptor implements HttpInterceptor {
+  constructor(private token: TokenStorageService) {}
+  intercept(
+    req: HttpRequest<any>,
+    next: HttpHandler
+  ): Observable<HttpEvent<any>> {
+    let authReq = req;
+    const token = this.token.getToken();
+    if (token != null) {
+      authReq = req.clone({
+        headers: req.headers.set(TOKEN_HEADER_KEY, 'Bearer ' + token),
+      });
+    }
+    return next.handle(authReq);
+  }
+}
+export const authInterceptorProviders = [
+  { provide: HTTP_INTERCEPTORS, useClass: AuthInterceptor, multi: true },
+];