add bracket code to lower layer

Author: Rai0Catodic0

config/boards/shields/corne/Kconfig.defconfig

@@ -1,4 +1,4 @@
-if SHIELD_CORNE_RIGHT
+if SHIELD_CORNE_LEFT
 
 config ZMK_KEYBOARD_NAME
 	default "Corne"

config/boards/shields/corne/corne.keymap

@@ -28,12 +28,12 @@
                 lower_layer {
 // -----------------------------------------------------------------------------------------
 // |  TAB |  1  |  2  |  3  |  4  |  5  |   |  6  |  7  |  8  |  9  |  0  | BKSP |
-// | BTCLR| BT1 | BT2 | BT3 | BT4 | BT5 |   | LFT | DWN |  UP | RGT |     |      |
-// | SHFT |     |     |     |     |     |   |     |     |     |     |     |      |
+// | BTCLR| BT1 | BT2 | BT3 | BT4 | BT5 |   | LFT | DWN |  UP | RGT |  [  |      |
+// | SHFT |     |     |     |     |     |   |     |     |     |     |  ]  |      |
 //                    | GUI |     | SPC |   | ENT |     | ALT |
                         bindings = <
    &kp TAB    &kp N1       &kp N2       &kp N3       &kp N4       &kp N5         &kp N6   &kp N7   &kp N8 &kp N9    &kp N0 &kp BSPC
-   &bt BT_CLR &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4   &kp LEFT &kp DOWN &kp UP &kp RIGHT &trans &trans
+   &bt BT_CLR &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4   &kp LEFT &kp DOWN &kp UP &kp RIGHT &kp LBKT &trans
    &kp LSHFT  &trans       &trans       &trans       &trans       &trans         &trans   &trans   &trans &trans    &trans &trans
                                     &kp LGUI     &trans       &kp SPACE      &kp RET  &trans   &kp RALT
                         >;