Updated README for workload flag in fetchentities

fetchentities can now also list workloads

README.md

@@ -413,6 +413,7 @@ lambda         | Pass this flag to list Lambda entities
 mobile         | Pass this flag to list Mobile entities
 securecreds    | Pass this flag to list Synthetic secure credential entities
 synthetics     | Pass this flag to list Synthetic monitor entities
+workload       | Pass this flag to list Workloads
 
 
 ####  12) python3 deletemonitors.py
@@ -551,4 +552,4 @@ As noted in our [security policy](../../security/policy), New Relic is committed
 If you believe you have found a security vulnerability in this project or any of New Relic's products or websites, we welcome and greatly appreciate you reporting it to New Relic through [HackerOne](https://hackerone.com/newrelic).
 
 ## License
-nr-account-migration is licensed under the [Apache 2.0](http://apache.org/licenses/LICENSE-2.0.txt) License.
+nr-account-migration is licensed under the [Apache 2.0](http://apache.org/licenses/LICENSE-2.0.txt) License.