Help Command

[msheroubi]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Describe the solution you'd like
Add :help command to command line.

Describe alternatives you've considered
I have a Vim editor on the side where I can run the help command there to get the info I need. Feels a little inefficient :/

Additional context
I've finished working on this functionality, opening up the issue for the PR.