merge dev into main

-removing unused navigation -moving the input data a little to the right -pushing title to the left -centering min max avg (was bevore shifted a lttle to the right)

src/app/login/login.component.html

@@ -3,7 +3,7 @@
     <div class="col-md-6">
       <div class="card">
         <div class="text-center">
-          <!--          <img src="https://www.w3schools.com/bootstrap4/img_avatar1.png" alt="John" style="width:20%">-->
+                    <img src="https://www.w3schools.com/bootstrap4/img_avatar1.png" alt="John" style="width:20%">
           <h1>Login</h1>
           <h6>Enter your username and password</h6>
           <form [formGroup]="formLogin" (ngSubmit)="login()">