Use font NunitoSans and make all elements ignore font-family

- Remove all Roboto files

Since there is just one font, this setting can be safely ignored. This 
is easier than sanitizing all elements.

projects/common/assets/common-styles.css

 body {
   margin: 0;
-  font-family: 'Roboto', sans-serif
+  font-family: 'NunitoSans', sans-serif;
 }
 
 /*This is part of a hack to set the bodys cursor to grabbing while

projects/common/assets/customTheme.scss

 @use '../../../node_modules/@angular/material/index' as mat;
 @import '../../../node_modules/@angular/material/theming';
 
+$aspect-typography: mat.define-typography-config(
+  $font-family: 'NunitoSans',
+);
+@include angular-material-typography($aspect-typography);
+
 $aspect-element-border-color: #ccc;
 $aspect-element-border-hover-color: #333;
 $aspect-primary: mat.define-palette(mat.$pink-palette);