fix(templates/npm): use tsbuild tsfolders instead of --web flag in npm template build script

assets/templates/npm/.package.json

@@ -13,7 +13,7 @@ fileName: package.json
   "license": "{{module.license}}",
   "scripts": {
     "test": "(tstest test/ --verbose --logfile --timeout 60)",
-    "build": "(tsbuild --web --allowimplicitany)",
+    "build": "(tsbuild tsfolders --allowimplicitany)",
     "buildDocs": "(tsdoc)"
   },
   "devDependencies": {