Add helix keyboard (#2308)

* Fork from Let's Split

* Organizing files

* Delete some keymaps

* I2C and serial enabled at the same time

* Change readme

* add #define HELIX_ROWS for multiple rows

* Delete avrdude flashing script

* Delete makefiles

* Subproject elimination

* Fix lufa path

* Remove PLAY_NOTE_ARRAY usages to get rid of warning.

Fix conflicting function name

* Mousekey change default to off

* Fix to oled display adjust

* make rev2

change pin assign
change keymap

* use master_buffer

* Timing adjustment

* Organizing files

* Change Keymap

* Change Keymap

Add EISU and KANA
Correct 4rows

* NKRO default to disable

* EXTRAKEY_ENABLE default to disable

* add rgb reset key

* rgb custom function enable

*  Extend font

* add RGBLED_POWER

default folder to helix/rev2
RGB_ENABLE to no

* renamed directory

* Disable RGBLIGHT_CUSTOM_DRIVER

* Disable LOCKING_SUPPORT_ENABLE

* Update bootloader setting

* Change readme

* Fixed argument error

1 files changed, 25 insertions, 0 deletions

diff --git a/keyboards/helix/rev1/keymaps/OLED_sample/readme.md b/keyboards/helix/rev1/keymaps/OLED_sample/readme.md
new file mode 100644
index 000000000..02888855b
--- /dev/null
+++ b/keyboards/helix/rev1/keymaps/OLED_sample/readme.md
@@ -0,0 +1,25 @@
+SSD1306 OLED Display via I2C
+======
+
+Features
+--------
+
+Some features supported by the firmware:
+
+
+* I2C connection between the two halves is required as the OLED display will use this connection as well. Note this
+  requires pull-up resistors on the data and clock lines.
+* OLED display will connect from either side
+
+
+Wiring
+------
+
+
+Work in progress...
+
+
+OLED Configuration
+-------------------------------
+
+Work in progress...