[Docs] Merge docs/MISC.md and docs/ADVANCED-USERS.md

[malfet]

Cursory glance at two docs suggests that they are copies of the same at different points in repo history.

Compare:

torchchat/docs/ADVANCED-USERS.md

Lines 25 to 30 in e0e8857

	Torchchat (pronounced “torch chat” and also a play on torch @ [laptop,
	desktop, mobile]) is a tool and library to easily run LLMs on laptops,
	desktops, and mobile devices using pure
	[PyTorch](https://github.com/pytorch/pytorch) and
	[ExecuTorch](https://github.com/pytorch/executorch). See below for a
	[full list of supported devices](#supported-systems).

To:

torchchat/docs/MISC.md

Line 19 in e0e8857

Torchchat (pronounced “torch chat” and also a play on torch @ [laptop, desktop, mobile]) is a tool and library to easily run LLMs on laptops, desktops, and mobile devices using pure [PyTorch](https://github.com/pytorch/pytorch) and [ExecuTorch](https://github.com/pytorch/executorch). See below for a [full list of supported devices](#supported-systems).

Aren't they the word-by-word identical (excluding extra newlines?)

[mikekgfb]

merged in #765