[Docs] Make Code Examples Consistent On Combo Page (#6078)

docs/feature_combo.md

@@ -29,6 +29,7 @@ enum combos {
   AB_ESC,
   JK_TAB
 };
+
 const uint16_t PROGMEM ab_combo[] = {KC_A, KC_B, COMBO_END};
 const uint16_t PROGMEM jk_combo[] = {KC_J, KC_K, COMBO_END};
 
@@ -44,7 +45,7 @@ For a more complicated implementation, you can use the `process_combo_event` fun
 enum combo_events {
   ZC_COPY,
   XV_PASTE
-  };
+};
 
 const uint16_t PROGMEM copy_combo[] = {KC_Z, KC_C, COMBO_END};
 const uint16_t PROGMEM paste_combo[] = {KC_X, KC_V, COMBO_END};