Zephyr f024f54baa Convert Atmos Sanity to use Landmarks (#74454) ...

## About The Pull Request

Lets mappers do their thing without causing needless grief
Lets mappers mark areas as a goal area for atmos connectivity, aswell as
starting points

There are four landmarks added.
- Goal
- Start
- Ignore
- Station Areas

Goal and start are fairly self explanatory, note that not having any
goals will default to using all station areas, with a notice. If you
intend for that to happen place the Station Areas landmark somewhere on
the map, preferably near the top left of the map.
The ignore marker allows you to mark an area as ignored for purposes of
connectivity. If you purposefully want a disconnected room off in near
space for example.

## Why It's Good For The Game

Alternative of and closes
https://github.com/tgstation/tgstation/pull/74444

More workability for mappers

2023-04-09 16:53:15 -06:00

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atmospherics_sanity_landmarks.dm

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