Improve cli experience

[matmair]

This PR:

• Makes sure inventree run cli works without activation
• Adds a version task to the invoke tasks (set as a default)

Printout of the version task

InvenTree - inventree.org
The Open-Source Inventory Management System

========================================
Installation paths:
Base        /opt/inventree
Config      /etc/inventree/config.yaml
Media       /opt/inventree/data/media
Static      /opt/inventree/data/static

Versions:
Python      3.8.10
Django      3.2.18
InvenTree   0.11.0
API         107

Commit hash:None
Commit date:None

You are probably running the package installer / single-line installer. Please mentioned that in any bug reports!

Use '--list' for a list of available commands
Use '--help' for help on a specific command

[SchrodingersGat]

Nice addition :) ready to merge?

[matmair]

@SchrodingersGat yes!