Add a Pastel palette

Source: http://www.colourlovers.com/palette/1390882/c64

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

README.md

@@ -46,3 +46,12 @@ Starting from the [example][plugin:example] is the recommended way of getting
 started with the plugin.
 
   [plugin:example]: https://github.com/keyboardio/Kaleidoscope-FingerPainter/blob/master/examples/FingerPainter/FingerPainter.ino
+
+## Notice
+
+While the code is under the GPL-3, the `FINGERPAINTER_PALETTE_PASTEL` palette
+was created by [Conache][conache], and is under a [CC-BY-SA][license:cc-by-sa]
+license.
+
+ [conache]: http://www.colourlovers.com/lover/Conache/loveNote
+ [license:cc-by-sa]: http://creativecommons.org/licenses/by-sa/3.0/

src/Kaleidoscope/FingerPainter.h

@@ -71,3 +71,22 @@ extern KaleidoscopePlugins::FingerPainter FingerPainter;
       CRGB (0xff, 0xff, 0x55),                     \
       CRGB (0xff, 0xff, 0xff)                      \
   }
+
+#define FINGERPAINTER_PALETTE_PASTEL (const cRGB[]) { \
+      CRGB (0, 0, 0),                                 \
+      CRGB (230, 119, 107),                           \
+      CRGB (229, 154, 67),                            \
+      CRGB (242, 228, 110),                           \
+      CRGB (155, 243, 150),                           \
+      CRGB (150, 221, 243),                           \
+      CRGB (255, 255, 255),                           \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+      CRGB (0, 0, 0),                                 \
+  }