Adding links to Aseprite palettes

Author: denilsonsa

README.md

@@ -143,7 +143,7 @@ Other palettes (not included in this collection):
 
 Default palettes (not included in this collection):
 
-* Aseprite: <https://github.com/aseprite/aseprite/tree/master/data/palettes>
+* Aseprite: <https://github.com/aseprite/aseprite/tree/master/data/palettes> and <https://github.com/aseprite/aseprite/tree/master/data/extensions>
 * Drawpile: <https://github.com/callaa/Drawpile/tree/master/desktop/palettes>
 * GIMP: <https://git.gnome.org/browse/gimp/tree/data/palettes>
 * Inkscape: <https://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/files/head:/share/palettes/>

html-of-all-palettes-on-my-system.sh

@@ -9,10 +9,12 @@
 	~/.gimp-2.8/palettes/Gimp_Palettes_by_nevit/*.gpl \
 	~/.gimp-2.8/palettes/base16-gimp-palette/*.gpl \
 	~/.gimp-2.8/palettes/calligra/*.gpl \
+	~/.steam/steamapps/common/Aseprite/data/palettes/*.gpl \
+	~/.steam/steamapps/common/Aseprite/data/extensions/*palettes/*.gpl \
 	/usr/share/gimp/2.0/palettes/*.gpl \
 	/usr/share/inkscape/palettes/*.gpl \
-	/usr/share/mypaint/palettes/*.gpl \
-	/usr/share/aseprite/data/palettes/*.gpl
+	/usr/share/mypaint/palettes/*.gpl
 
 # I don't have Drawpile installed anymore:
 # /usr/share/drawpile/drawpile/palettes/*.gpl
+# /usr/share/aseprite/data/palettes/*.gpl