Adds a few clipboards for the Chronicle-class (#2563)

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## About The Pull Request
Does what it says on the tin.

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## Why It's Good For The Game
Paperwork is good!
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## Changelog

:cl: PositiveEntropy
add: Clipboards have been added to the Chronicle, like it should've had
since the beginning.
/:cl:

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Co-authored-by: goober3 <[email protected]>

_maps/shuttles/solgov/solgov_chronicle.dmm

@@ -4223,6 +4223,9 @@
 /obj/item/paper_bin/bundlenatural,
 /obj/machinery/light/directional/west,
 /obj/effect/decal/cleanable/dirt,
+/obj/item/clipboard,
+/obj/item/clipboard,
+/obj/item/clipboard,
 /turf/open/floor/plasteel/patterned/cargo_one,
 /area/ship/cargo)
 "Pq" = (