Add retro images for new mainline images.

COPYING.rtro

@@ -12,6 +12,8 @@ kite_shield: Derived from base image kite_Shield, under CC-0.
 lantern, lantern2, lantern_off, lantern2_off: Derived from art by David Gervais. Licensed CC-BY-3.0.
 yellow_[0-9], yellow_[A-F], yellow_ne, yellow_nw, yellow_se, yellow_sw: Derived from art by David Gervais. Licensed CC-BY-3.0.
 bones3: Redrawn from a David Gervais tile. Licensed CC-BY-3.0.
+charcoal: Derived from Saiapatsu's base set charcoal image, licensed CC-0.
+misc/go/point, stone_(white|black): Derived from art by Kevin Zheng, licensed CC-BY-3.0.
 
 Derivatives of unknown licensing:
 capitalhold_west: Referenced from base image capitalhold_west, of unknown licensing.

ChangeLog.rtro

@@ -1,6 +1,13 @@
 ------------------------
 Changes for top of trunk
 ------------------------
+2022-06-07 Daniel Hawkins
+	* misc/go/*,
+	  inorganic/charcoal.rtro.111.png,
+	  spell/Aura/sanctuary_mark.rtro.*,
+	  spell/Bomb/bomb_shell.rtro.111.png,
+	  spell/Bomb/bomb_unlit.rtro.111.png: Add retro face set images to match new faces in main.
+
 2022-04-20 Daniel Hawkins
 	* misc/bones3.rtro.111.png: Redraw with palette and crisp edges.