include new sweep files

boards/shields/sweep/Kconfig.defconfig

@@ -0,0 +1,19 @@
+# Copyright (c) 2020 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+if SHIELD_SWEEP_LEFT
+
+config ZMK_KEYBOARD_NAME
+    default "Sweep"
+
+config ZMK_SPLIT_ROLE_CENTRAL
+    default y
+
+endif
+
+if SHIELD_SWEEP_LEFT || SHIELD_SWEEP_RIGHT
+
+config ZMK_SPLIT
+    default y
+
+endif