Lfkeyboards updates (#2421)

* Update smk65 fn layer, add iso

* Added Fn layer to ISO keymap

* Fix error when backlight is disabled but lighting isn't

* Remove broke mini1800 iso map

* Add keymaps

* Add LFKPad

* Add split delete to lfk78

* Typo

* Custom keymap

keyboards/lfkeyboards/lfkpad/keymaps/default/keymap.c

@@ -0,0 +1,52 @@
+#include "lfkpad.h"
+#include "issi.h"
+#include "lighting.h"
+#include "action_layer.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[0] = KEYMAP( /* Base */
+  KC_ESC,   KC_TAB,  KC_PEQL, MO(1), \
+  KC_LNUM,  KC_PSLS, KC_PAST, KC_PMNS, \
+  KC_P7,    KC_P8,   KC_P9,   KC_PPLS, \
+  KC_P4,    KC_P5,   KC_P6, \
+  KC_P1,    KC_P2,   KC_P3,   KC_PENT, \
+  KC_P0,    KC_PDOT),
+
+[1] = KEYMAP( /* RGB */
+  RGB_SAI,  RGB_VAI,  RGB_HUI,  KC_TRNS, \
+  RGB_SAD,  RGB_VAD,  RGB_HUD,  KC_TRNS, \
+  RGB_M_X,  RGB_M_G,  RGB_MOD,  RGB_RMOD, \
+  RGB_M_SW, RGB_M_SN, RGB_M_K, \
+  RGB_M_P,  RGB_M_B,  RGB_M_R,  RGB_TOG, \
+  KC_NO,    KC_NO),
+};
+
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+      }
+    return MACRO_NONE;
+};
+
+
+void matrix_init_user(void) {
+    // This keymap only has a single base layer, so reset the default if needed
+    if(eeconfig_read_default_layer() > 1){
+        eeconfig_update_default_layer(1);
+        default_layer_set(1);
+    }
+}
+
+void matrix_scan_user(void) {
+
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  return true;
+}
+
+void led_set_user(uint8_t usb_led) {
+
+}