Add mandatory "ht_enabled" field for doc example
Since v0.16.0 add more limitations.
Sending machine-config as this doc will trigger this error:
`{"fault_message": "Missing mandatory fields."}`
@@ -237,7 +237,8 @@ curl --unix-socket /tmp/firecracker.socket -i \
-H 'Content-Type: application/json' \
-d '{
"vcpu_count": 2,
- "mem_size_mib": 1024
+ "mem_size_mib": 1024,
+ "ht_enabled": false
}'
```
