Add faces to correctly handle 8-facings of kobolds.

ChangeLog.rtro

@@ -1,6 +1,10 @@
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 Changes for top of trunk
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+2023-02-11 Daniel Hawkins
+	* goblin/Kobold/kobold.rtro.11[1-2].png: Move kobold art into Kobold folder to match upstream.
+	* goblin/Kobold/kobold.rtro.1[2-8][1-2].png: Duplicate kobold facings to handle new upstream facings.
+
 2022-07-04 Daniel Hawkins
 	* construct/temple/devourers_church.rtro.x11.png,
 	  construct/temple/lythander_church.rtro.x11.png,