modify path and package-name in readme.typescript.md from networkfunc… (#19729)

* modify path and package-name in readme.typescript.md from networkfunction

* update properties

* Update specification/networkfunction/resource-manager/readme.typescript.md

Co-authored-by: ZiWei Chen (WICRESOFT NORTH AMERICA LTD) <[email protected]>
Co-authored-by: Qiaoqiao Zhang <[email protected]>

Author: kazrael2119

specification/networkfunction/resource-manager/readme.typescript.md

@@ -6,8 +6,9 @@ Please also specify `--typescript-sdks-folder=<path to root folder of your azure
 ```yaml $(typescript)
 typescript:
   azure-arm: true
-  package-name: "networkfunction"
-  output-folder: "$(typescript-sdks-folder)/packages/networkfunction"
+  package-name: "@azure/arm-networkfunction"
+  output-folder: "$(typescript-sdks-folder)/sdk/networkfunction/arm-networkfunction"
   payload-flattening-threshold: 1
   generate-metadata: true
+title: AzureTrafficCollectorClient
 ```