new protocol defintion

proto/light.proto

@@ -2,3 +2,25 @@ syntax = "proto2";
 
 import "nanopb.proto";
 
+message LightGlobalBrightness {
+    required uint32 brightness = 1;
+}
+
+enum LightTheme {
+    THEME_0 = 0;
+    THEME_1 = 1;
+    THEME_2 = 2;
+    THEME_3 = 3;
+}
+
+message LightGlobalTheme {
+    required LightTheme theme = 1;
+}
+
+message LightThemeSettings {
+    required uint32 deviceId = 1;
+    required LightTheme theme = 2;
+    required uint32 rgb = 3;
+    required uint32 brightness = 4;
+    required uint32 animation = 5;
+}