Re-implementing (foreground) geolocation (and npm packages update).

src/theme/variables.css

@@ -1,8 +1,14 @@
 /* Ionic Variables and Theming. For more info, please see:
 http://ionicframework.com/docs/theming/ */
 
+
 /** Ionic CSS Variables **/
 :root {
+
+  /** Transparent background so that underlying tiles and whiteboard can be seen **/
+  --ion-background-color: transparent;
+
+
   /** primary **/
   --ion-color-primary: #3880ff;
   --ion-color-primary-rgb: 56, 128, 255;