Merge pull request #4980 from 50Wliu/include-vscode-nls-as-a-dependency

Explicitly install vscode-nls as a dependency

Author: JoeRobich

package-lock.json

@@ -75,6 +75,7 @@
     "vscode-debugprotocol": "1.33.0",
     "vscode-extension-telemetry": "0.1.6",
     "vscode-languageserver-protocol": "3.16.0",
+    "vscode-nls": "^5.0.0",
     "yauzl": "2.10.0"
   },
   "devDependencies": {