add up/down keys on thumb clusters

keyboards/ergodox/keymaps/dvorak_programmer/keymap.c

@@ -73,8 +73,8 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
                                   RSFT(RCTL(KC_TAB)), RCTL(KC_TAB), RCTL(KC_T), RCTL(KC_K), RCTL(KC_W),
              // thumb cluster
              M(SEMICOLON_NEWLINE), M(END_NEWLINE),
-             KC_TRNS,
-             KC_TRNS,KC_ENT, KC_SPC
+             KC_UP,
+             KC_DOWN,KC_ENT, KC_SPC
     ),