Added &C3,<ps>,<cy>,<ss> descriptions

HTTP-request-API.md

@@ -37,6 +37,7 @@ Parameter | Value Range | Description | Since Version
 | --- | --- | --- | --- |
 &CL= | HEX/DEC | Primary color | 0.8.0
 &C2= | HEX/DEC | Secondary color | 0.8.0
+&C3= | HEX/DEC | Third color | 0.8.0
 &R2= | 0 to 255 | Secondary Red value | 0.4
 &G2= | 0 to 255 | Secondary Green value | 0.4
 &B2= | 0 to 255 | Secondary Blue value | 0.4
@@ -148,8 +149,11 @@ Parameter | Value Range | Description
 \<fp> | 0 to 43 | FastLED palette
 \<wv> | -1 to 255 | Primary White value
 \<ws> | 0 to 255 | Secondary White
+\<ps> | 0 to 255 | Current Preset
+\<cy> | 0 or 1 | Preset Cycling enabled
 \<md> | 0 or 1 | RGB or HSB UI mode
 \<ds> | String 0..32 | Server description
+\<ss> | 0 to 12 | Segment ID
 
 ## In-/decrementing values