Merge CodeFlare CLI into main

[carsonmh]

Allows for submitting and management of resources and distributed workloads from the terminal. Some issues for this CLI include

#159
#217
#218
#240
#276
#277

[anishasthana]

All the issues under this are wrapped up.
We are now scoping this ticket to bringing the CLI changes from its dedicated branch over into main.

[anishasthana]

Marking as 3 for now -- @Maxusmusti will investigate further.