[Keymap] keymaps for planck and crkbd (#6895)

* using similar keymaps (with vim in mind) for planck and crkbd

* changed to rgb matrix and lower max brightness to prevent unresponsiveness

* readme and default rgb mode

* disable all the not wanted effects and activate the framebuffer ones

* changed effects

* changed custom keycodes to defines

* fixed comment

keyboards/crkbd/keymaps/dsanchezseco/rules.mk

@@ -0,0 +1,15 @@
+
+# If you want to change the display of OLED, you need to change here
+SRC += ./logo_reader.c
+
+# enable OLED displays
+OLED_DRIVER_ENABLE = yes
+
+# enable media keys
+EXTRAKEY_ENABLE = yes
+
+# enable LEDs
+RGB_MATRIX_ENABLE = WS2812
+
+# using elite-c controllers
+BOOTLOADER = qmk-dfu