Add vim themes

palettes/vim/sierra/sierra.go

@@ -0,0 +1,35 @@
+package sierra
+
+import (
+	"sort"
+	"sync"
+
+	"github.com/taigrr/go-colorpalettes/simplecolor"
+)
+
+var (
+	once   sync.Once
+	colors = simplecolor.SimplePalette{
+		0x2a2a2a,
+		0x303030,
+		0x545454,
+		0x666666,
+		0x686868,
+		0xaf5f5f,
+		0xaf8787,
+		0xafd7d7,
+		0xd75f5f,
+		0xdfaf87,
+		0xf7e4c0,
+		0xffafaf,
+		0xffb2af,
+		0xffffff,
+	}
+)
+
+func GetPalette() (sp simplecolor.SimplePalette) {
+	once.Do(func() {
+		sort.Sort(colors)
+	})
+	return colors
+}