Create Theme control strips.md

added documentation for control strips

docs/Theme control strips.md

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+# Control strips should be in the top and left edges of the black outline 2 pixels away from the region button/image they are controlling and one pixel in width. 
+
+
+## Red Component: (Resize Control)
+#00xxxx stretch
+
+#40xxxx tile
+
+#80xxxx fixed
+
+#C0xxxx reserved
+
+#F0xxxx reserved
+
+
+## Green Component: (Screen Control, ignored for non-bezels)
+
+#xx00xx default
+
+#xx40xx top screen cutout (places the top screen in this region)
+
+#xx80xx bottom screen cutout (will be empty if not in DS mode)
+
+#xxC0xx both screens (use if the theme doesn't want to control the layout of the DS screens)
+
+#xxF0xx reserved
+
+
+## Blue Component: (Gamepad Control, ignored for non-bezels, TBD will allow customization of default button placements)
+
+#xxxx00 default
+
+#xxxx40 reserved
+
+#xxxx80 reserved
+
+#xxxxC0 reserved
+
+#xxxxF0 reserved