new tip for medbay cryotubes (#7561)

# About the pull request

Adds new tip regarding medbay cryotubes.

# Explain why it's good for the game

More tip variety, also this particular info doesn't seem well known in
my experience.


# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
add: tip of the round regarding lesser known cryotube utility
/:cl:

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Co-authored-by: Drathek <[email protected]>

strings/marinetips.txt

@@ -105,3 +105,4 @@ The Queen can unbolt and break dropship doors by prying them open, even if they
 If you jump out of a dropship with a parachute on (when there is no paradrop system active), you will land at a random location on the map.
 If you push crates out of a dropship when paradropping, it will land near the paradrop drop point.
 When paradropping, you can toss any large item (such as a backpack, pouch, or gun) into hyperspace, and it will land near the paradrop drop point. However, smaller items such as flares will not survive the fall.
+Medbay cryotubes will process chemicals in the dead if Cryoxadone and or Clonexadone is present. In a mass-casualty situation or when a patient has severe injuries, consider injecting the dead with chemicals and putting them in the tubes.