Update viewer.js

viewer.js

@@ -57,7 +57,7 @@ export async function initializeViewer(config, instanceId) {
     glbUrl = config.glb_url;
     glbUrl2 = config.glb_url_2;
     glbUrl3 = config.glb_url_3;
-    minZoom = 0.2; maxZoom = 2;
+    minZoom = 0.5; maxZoom = 1;
     minAngle = -Infinity; maxAngle = Infinity;
     minAzimuth = -Infinity; maxAzimuth = Infinity;
     minPivotY = 0; minY = -10;