Update NodeServices TypeScript compilation to use @types

Author: SteveSandersonMS

src/Microsoft.AspNetCore.NodeServices/TypeScript/tsconfig.json

@@ -1,8 +1,9 @@
 {
     "compilerOptions": {
-        "target": "es5",
+        "target": "es3",
         "module": "commonjs",
-        "moduleResolution": "node"
+        "moduleResolution": "node",
+        "types": ["node"]
     },
     "exclude": [
         "node_modules"