Update to drashna userspace and keymaps (#3172)

Update to drashna userspace and keymaps (#3172)

* Use string with delay

* Add skipped region to ergodox

* Add send string config

* Use default_layer_state instead of function

* Fully generalize keyboards

* old iris cleanup

* Fix Drashna keymap compile issues

By checking to see if secret.c exists before actually trying to add it

* Remove unnecessary references

* Add 4x12 ortho board

* Update userspace readme for secrets

* Make RGB more modular

* Fix iris keymap, since we don't need the lower left (Function keys)

* Fix includes

* Add Blanks

* Fix Ergodox lower layer

* Add suspend commands

* Add Maltron Layout

* Add additional layouts

* Finish adding gamepad to Iris

* Tweaks to iris gamepag layer

* make gaming layers more friendly

* minor gaming layer tweak

* Add Carplax

* Add modded key timer function

* Cleanup and macro documentation

* Add QMK DFU info

* Add 'old' keymap for 12 LED spare

* Update Pro Micro documentation

* Disable twinkling so it fits in firmware space

* Switch to QMK DFU bootloader, since it's better anyhow

* Write default layer state colors to EEPROM

Since we are writing to EEPROM anyways, and this way, it sticks on reboot

* Fix QMK DFU bootloader options

* More updates for QMK DFU support

* Use matrix scanning hack for startup_user until #3113 gets merged

* Fix indicator light consistency issue

* Add/readd ifdefs to indicators

* Add/readd alt indicator

* Remove RGB Twinkling from Viterbi macro pad

* Fix default layer color detection

* Fix rebase and detection issues

* Cleanup code so it will compile if RGBLIGHT is disabled

* Revert vsode settings

* Use Pragma Once instead of boilerplate code