[Keyboard] customMK EVO70 (#14907)

* added files for EVO70

* updated info.json and readme

* ran qmk lint and fixed typo in info.json

* removed defines from config.h in favor of info.json

* removed an unnecssary include

* removed unnecessary code

* updated rules.mk to remove mention of Bluetooth

* corrected edit to rules.mk

* added code for OLED menu display

* removed extraneous comments and spaces

* added bongo cat animation

* Update keyboards/custommk/evo70/rules.mk

* Update keyboards/custommk/evo70/config.h

* Modified Bongocat graphics to match original proportions

* updated info.json device version

* updated OLED splash screen display timing

* improved bongo cat tap detection and added backlight breathing to OLED menu

* various improvements to OLED, saving settings, and VIA keymap fix

* removed extraneous define

* custom encoder assignment retained upon powerup, backlight sleep upon suspend

* corrected bongo cat tap detection

* Changed splash screen and bongo cat encoder rotation to use the custom assignments

* removed _default from LAYOUT naming and changed keyboard image to be hosted from imgur

* Force smaller version of image to be used in readme

keyboards/custommk/evo70/rules.mk

@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = qmk-dfu
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
+MOUSEKEY_ENABLE = no        # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+NKRO_ENABLE = yes           # Enable N-Key Rollover
+BACKLIGHT_ENABLE = yes      # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = yes       # Enable keyboard RGB underglow
+AUDIO_ENABLE = no           # Audio output
+ENCODER_ENABLE = yes
+OLED_ENABLE = yes
+OLED_DRIVER = SSD1306
+LTO_ENABLE = yes