demo(app): adjusted the git url

Author: AnthonyNahas

demo/src/app/getting-started/getting-started.component.html

@@ -515,7 +515,7 @@ <h1>Getting Started</h1>
               <p>@angular-material-extensions/pages the main container that hold the pages incl. the outlook view and the content</p>
 
               <pre><code highlight
-                         [code]="'<ngx-material-page-loader></ngx-material-page-loader>'"></code></pre>
+                         [code]="'<mat-material-page-loader></ngx-material-page-loader>'"></code></pre>
               <p>ngx-material-page-loader the container of each page. This component should have two nested elements
                 which are the outlook and the content components (see below)</p>
 
@@ -565,12 +565,12 @@ <h1>Getting Started</h1>
           </div>
           <div fxLayout="row" fxLayoutAlign="space-between">
                  <pre><code highlight
-                            [code]="'git clone https://github.com/AnthonyNahas/@angular-material-extensions/pages.git'"></code></pre>
+                            [code]="'git clone https://github.com/angular-material-extensions/pages.git'"></code></pre>
             <button mat-icon-button
                     ngxClipboard
-                    [cbContent]="'git clone https://github.com/AnthonyNahas/@angular-material-extensions/pages.git'"
+                    [cbContent]="'git clone https://github.com/angular-material-extensions/pages.git'"
                     matTooltip="copy"
-                    (click)="showCopyMessage('git clone https://github.com/AnthonyNahas/@angular-material-extensions/pages.git')">
+                    (click)="showCopyMessage('git clone https://github.com/angular-material-extensions/pages.git')">
               <mat-icon aria-label="copy content" class="mat-18">content_copy</mat-icon>
             </button>
           </div>