adds sweet16 and four banger keyboards

keyboards/four_banger/keymaps/default/keymap.c

@@ -0,0 +1,24 @@
+#include "four_banger.h"
+
+enum custom_keycodes {
+  UP_URL = SAFE_RANGE
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    LAYOUT_ortho_2x2(
+        KC_1, KC_U, 
+        KC_P, UP_URL
+    ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+        case UP_URL:
+            if (record->event.pressed) {
+                SEND_STRING("http://1upkeyboads.com");
+            }
+            return false;
+            break;
+    }
+    return true;
+}