Add README, sunrise alarm, CCT (white/warm) support and configs

- README: WLED pull/push usage, sunrise alarm, white vs warm (CCT) section
- wled_push: --cct 0-255 for segment 0 color temperature
- wled_config: white.json, warm.json, sunrise presets; updated state/full

Made-with: Cursor

wled_config/state.json

@@ -1,7 +1,7 @@
 {
   "on": true,
-  "bri": 254,
-  "transition": 7,
+  "bri": 255,
+  "transition": 0,
   "ps": -1,
   "pl": -1,
   "ledmap": 0,
@@ -10,13 +10,13 @@
   },
   "nl": {
     "on": false,
-    "dur": 60,
-    "mode": 1,
-    "tbri": 0,
+    "dur": 30,
+    "mode": 3,
+    "tbri": 255,
     "rem": -1
   },
   "udpn": {
-    "send": false,
+    "send": true,
     "recv": true,
     "sgrp": 1,
     "rgrp": 1
@@ -39,10 +39,10 @@
       "set": 0,
       "col": [
         [
-          56,
-          56,
-          56,
-          56
+          112,
+          112,
+          112,
+          112
         ],
         [
           0,