NetDebug: switch between serial/netdebug, store ip and port in settings

pio.ini: enable WLED_DEBUG_HOST in esp32_4MB_M_debug and esp32_16MB_M_debug

audio_reactive, um6050, wled.h
- replace DEBUGOUT.print(x) by DEBUGOUT(x) etc

wled.h: switch between serial/netdebug

cfg.cpp, set.cpp, wled.cpp, xml.cpp
- store netDebugPrintIP and netDebugPrintPort in cfg.json

index.js: rename info tab on off to Net Debug

settings.sync: add netdebug

net_debug.h/cpp: use global netDebugPrintIP remove debugPrintHostIP

wled00/data/settings_sync.htm

@@ -242,6 +242,19 @@ Baud rate:
 <option value=15000>1500000</option>
 </select><br>
 <i>Keep at 115200 to use Improv. Some boards may not support high rates.</i>
+<h3>Net Debug ☾</h3>
+<div id="NoNetDebug" class="hide">
+	<em style="color:#fa0;">This firmware build does not include Net Debug support.<br></em>
+</div>
+<div id="NetDebug">
+Netcat host IP:<br>
+<input name="N0" type="number" class="s" min="0" max="255" > .
+<input name="N1" type="number" class="s" min="0" max="255" > .
+<input name="N2" type="number" class="s" min="0" max="255" > .
+<input name="N3" type="number" class="s" min="0" max="255" ><br>
+Netcat host Port:<br>
+<input name="NP" type="number" min="0" max="99999" ><br>
+</div>
 <hr>
 <button type="button" onclick="B()">Back</button><button type="submit">Save</button>
 </form>