set default camera radius/max = 0

src/mol-canvas3d/camera.ts

@@ -209,8 +209,8 @@ namespace Camera {
             up: Vec3.create(0, 1, 0),
             target: Vec3.create(0, 0, 0),
 
-            radius: 10,
-            radiusMax: 10,
+            radius: 0,
+            radiusMax: 0,
             fog: 50,
             clipFar: true
         };