rename the LED boot animation function

KeyboardioFirmware.ino

@@ -34,7 +34,7 @@ void setup() {
     Keyboard.begin();
     Mouse.begin();
     implementation_leds_setup();
-    LEDs.led_bootup();
+    LEDs.boot_animation();
     implementation_pins_setup();
 
     temporary_keymap = primary_keymap = Storage.load_primary_keymap();

led_control.cpp

@@ -185,7 +185,7 @@ void LEDControl::effect_rainbow_wave_update() {
     implementation_led_sync();
 }
 
-void LEDControl::led_bootup() {
+void LEDControl::boot_animation() {
     set_all_leds_to(led_off);
 
     led_type_letter(LED_K);

led_control.h

@@ -19,7 +19,7 @@
 class LEDControl {
   public:
     void next_led_mode();
-    void led_bootup();
+    void boot_animation();
     void update_leds(uint8_t current_keymap);
     void led_type_letter(uint8_t letter);
     void set_led_mode(uint8_t mode);