CustomEffects as usermod: step 4: modify wledv123.json, add drawLine/Arc

General (for CE, but also used by M12_pArc)
- add drawArc

Custom Effects
- add WLEDSR Custom Effects comment to places in WLED where it is hooked in
- move from wled.json to wledv123.json
- rename matrixWidth/Heigth to width/height and use virtualWidth/Height
- remove setPixels
- add drawLine / drawArc

platformio.ini

@@ -32,9 +32,9 @@
 ; default_envs = esp8285_4CH_MagicHome
 ; default_envs = esp8285_H801
 ; default_envs = d1_mini_5CH_Shojo_PCB
-; default_envs = esp32mdev
+default_envs = esp32mdev
 ; default_envs = esp8266mdev
-default_envs = wemos_shield_esp32
+; default_envs = wemos_shield_esp32
 ; default_envs = m5atom
 ; default_envs = esp32_eth
 ; default_envs = esp32dev_qio80
@@ -454,7 +454,7 @@ build_flags = ${common.build_flags_esp32}
   -D USERMOD_CUSTOMEFFECTS
 lib_deps = ${esp32.lib_deps}
   https://github.com/blazoncek/arduinoFFT.git ; arduinoFFT @ 1.5.6
-; monitor_filters = esp32_exception_decoder
+monitor_filters = esp32_exception_decoder
 board_build.partitions = ${esp32.default_partitions}
 
 [env:esp8266mdev]