Add buttons to navigate between jump

page (new and list)

Front/skydivelogs-app/src/app/list-of-jumps/list-of-jumps.component.html

@@ -1,4 +1,6 @@
 <div class="content">
+  <button mat-raised-button color="accent" [routerLink]="['/newjump']" [routerLinkActive]="['active']" skipLocationChange>Add jumps</button>
+
   <div *ngIf="dataSourceTable != null else loading">
     <table mat-table [dataSource]="dataSourceTable">
       <ng-container matColumnDef="infos">

Front/skydivelogs-app/src/app/new-jump/new-jump.component.html

@@ -1,4 +1,6 @@
 <div class="content">
+  <button mat-raised-button color="accent" [routerLink]="['/jumps']" [routerLinkActive]="['active']" skipLocationChange>View the jumps</button>
+
   <form class="formNewJumps" (ngSubmit)="onFormSubmit()" *ngIf="notLoadingToDisplay() else loading">
     <mat-form-field>
       <mat-label>Choose the jump type</mat-label>