FEATURES
1. Added "show version" support for nfcli client to display versions of locally installed libraries, fixes. 4
2. Added "show broker version" support for nfcli client to retrieve broker report of the version of libraries broker is running on, fixes. 4
3. Added support "show broker inventory" command to display broker inventory
4. Simple inventory added support to produce a serialized dictionary output
5. Broker added "show_broker_inventory" and "show_broker_version" MMI endpoints
6. Added support for simple inventory service to render inventory using Jinja2, renderer passed on `env` variable that contains operating system environment variables, allowing to source any env data into NorFab inventory for both broker and workers. 5
7. Created `fastapi` service to host REST API for NorFab