InkHUD DIY builds for ProMicro & Heltec T114 (#7039)

* DIY InkHUD variants (ProMicro & T114)

* Fix file encoding
> We’ve detected the file encoding as ISO-8859-1. When you commit changes we will transcode it to UTF-8.

* Update comment justifying trunk suppression

variants/diy/platformio.ini

@@ -68,6 +68,27 @@ lib_deps =
   ${nrf52840_base.lib_deps}
 debug_tool = jlink
 
+; NRF52 ProMicro w/ E-Ink display
+[env:nrf52_promicro_diy-inkhud]
+board_level = extra
+extends = nrf52840_base, inkhud
+board = promicro-nrf52840
+build_flags =
+  ${nrf52840_base.build_flags}
+  ${inkhud.build_flags}
+  -I variants/diy/nrf52_promicro_diy_tcxo
+  -D NRF52_PROMICRO_DIY
+build_src_filter =
+  ${nrf52_base.build_src_filter}
+  ${inkhud.build_src_filter}
+  +<../variants/diy/nrf52_promicro_diy_tcxo>
+lib_deps =
+  ${inkhud.lib_deps} ; InkHUD libs first, so we get GFXRoot instead of AdafruitGFX
+  ${nrf52840_base.lib_deps}
+extra_scripts =
+  ${env.extra_scripts}
+  variants/diy/nrf52_promicro_diy_tcxo/custom_build_tasks.py ; Add to PIO's Project Tasks pane: preset builds for common displays
+
 ; Seeed XIAO nRF52840 + XIAO Wio SX1262 DIY
 [env:seeed-xiao-nrf52840-wio-sx1262]
 board = xiao_ble_sense