[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

2 files changed, 8 insertions, 2 deletions

diff --git a/keyboards/business_card/alpha/keymaps/default/keymap.c b/keyboards/business_card/alpha/keymaps/default/keymap.c
index 6bf201655..64070d23d 100644
--- a/keyboards/business_card/alpha/keymaps/default/keymap.c
+++ b/keyboards/business_card/alpha/keymaps/default/keymap.c
@@ -39,5 +39,8 @@ static void render_logo(void) {
 
     oled_write_P(qmk_logo, false);
 }
-void oled_task_user(void) { render_logo(); }
+bool oled_task_user(void) {
+    render_logo();
+    return false;
+}
 #endif
diff --git a/keyboards/business_card/beta/keymaps/default/keymap.c b/keyboards/business_card/beta/keymaps/default/keymap.c
index beff48d98..8d2413477 100644
--- a/keyboards/business_card/beta/keymaps/default/keymap.c
+++ b/keyboards/business_card/beta/keymaps/default/keymap.c
@@ -38,5 +38,8 @@ static void render_logo(void) {
 
     oled_write_P(qmk_logo, false);
 }
-void oled_task_user(void) { render_logo(); }
+bool oled_task_user(void) {
+    render_logo();
+    return false;
+}
 #endif