fix: fix github link

Author: Kexplx

src/app/app.component.html

@@ -4,7 +4,7 @@
       <mat-expansion-panel-header>
         <mat-panel-title>
           Kriminalität deutscher Landkreise
-          <a class="first-panel-title-wrapper__github-ref ml-1 mat-small" (click)="$event.stopPropagation()" target="_blank" href="https://github.com">GitHub</a>
+          <a class="first-panel-title-wrapper__github-ref ml-1 mat-small" (click)="$event.stopPropagation()" target="_blank" href="https://github.com/kexplx/crimeview">GitHub</a>
         </mat-panel-title>
       </mat-expansion-panel-header>
       <app-city-form></app-city-form>