feat(cli): add concore setup autodetect command

[avinxshKD]

Adds concore setup for first-run config.

• Detects installed tools via existing doctor helpers

• Writes concore.tools, concore.sudo, concore.octave

• Supports --dry-run and --force

• No backend behavior changes outside new command

I tested with:

python -m unittest tests.test_setup (pass)

fixes #506

[avinxshKD]

@pradeeban pls look at this :P

[GREENRAT-K405]

Hello @pradeeban @avinxshKD I had a doubt, I wanted to do similar thing with something like 'concore doctor --fix'
that can automatically write concore.tools in case deps are missing or are not configured.

If the deps are not installed and setup globally, we would require to install them (this would require sudo permissions which is not ideal for commands like doctor, even brew doctor doesn't do this).

But say, if the dependencies are already globally configured, then in that case won't it become unnecessary to setup concore.tools?

Just wanted to have a discussion regarding this.

[pradeeban]

@GREENRAT-K405 Good question. Not sure whether I have a solid answer to that yet. Something to contemplate.