Update sfdx-project.json

sfdx-project.json

@@ -1,9 +1,11 @@
 {
   "packageDirectories": [
     {
-      "path": "force-app"
+      "path": "force-app",
+      "default": true
     }
   ],
   "namespace": "",
-  "sourceApiVersion": "40.0"
+  "sfdcLoginUrl": "https://login.salesforce.com",
+  "sourceApiVersion": "41.0"
 }