Import the library and examples

Examples/onebyone.py

@@ -0,0 +1,14 @@
+from tree import RGBXmasTree
+from colorzero import Color
+
+tree = RGBXmasTree()
+
+colors = [Color('red'), Color('green'), Color('blue')] # add more if you like
+
+try:
+    while True:
+        for color in colors:
+            for pixel in tree:
+                pixel.color = color
+except KeyboardInterrupt:
+    tree.close()