rename CW LED descriptions to more commonly used CCT

[DedeHai]

this is a suggestion to rename "CW" into "CCT"

@intermittech what do you think? Open for discussion

Summary by CodeRabbit

• Documentation
  • Updated LED type nomenclature to clarify color channel support (RGBCCT designations for FW1906, UCS8904, WS2805, and SM16825)
  • Clarified color-channel format labels for supported LED bus types

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: b4d9faa7-db58-4fb9-a89a-7db1d572cb36

📥 Commits

Reviewing files that changed from the base of the PR and between 8e94cf5 and 175d97d.

📒 Files selected for processing (2)

• wled00/bus_manager.cpp
• wled00/bus_wrapper.h

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Walkthrough

This PR updates LED type naming terminology from "CW" (Color White) to "CCT" (Correlated Color Temperature) across two files: the API return values and the documentation. The changes affect FW1906, WS2805, SM16825, and related LED type entries consistently.

Changes

LED Type Naming Standardization

Layer / File(s)	Summary
LED Type Name API Update wled00/bus_manager.cpp	BusDigital::getLEDTypes() updated human-readable name strings for TYPE_FW1906, TYPE_UCS8904, TYPE_WS2805, and TYPE_SM16825 to use "RGBCCT" and revised descriptors.
Documentation and Comment Labels wled00/bus_wrapper.h	Inline comments and section labels for ESP8266/ESP32 bus methods re-labeled color-channel formats from GRBCW/RGBCW to GRBCCT/RGBCCT for FW1906, WS2805, and SM16825. UTF-8 BOM added to pragma once.

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: renaming CW (Color-Warm) LED descriptions to CCT (Correlated Color Temperature), which matches the actual changes in bus_manager.cpp and bus_wrapper.h.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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