//...

  addEmployee(employee: any) {
    let jsonUserData: any = localStorage.getItem('userData');
    let userData = JSON.parse(jsonUserData);
  
    let httpHeaders = new HttpHeaders()
    .set('Authorization', `Bearer ${userData.token}`);

    const httpOptions = {
      headers: httpHeaders
    }
    let endpoint = 'employees';
    let url = this.host + endpoint;

    return this.http.post<any>(url, employee, httpOptions);
  }