[Core] Change OLED task function to be boolean (#14864)

* [Core] Add kb level callbacks to OLED driver

* Update keyboards and keymaps

* Update docs

* Update userspace configs

* Add fix for my keymap ...

* update lefty

keyboards/crkbd/keymaps/oo/keymap.c

@@ -148,13 +148,14 @@ void oled_render_logo(void) {
     oled_write_P(crkbd_logo, false);
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
     if (is_keyboard_master()) {
         oled_render_layer_state();
         oled_render_keylog();
     } else {
         oled_render_logo();
     }
+    return false;
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {