fix(bluetooth): Kconfig to clear bonds on start

app/Kconfig

@@ -52,6 +52,10 @@ config ZMK_BLE_INIT_PRIORITY
 config SYSTEM_WORKQUEUE_STACK_SIZE
 	default 2048
 
+config ZMK_BLE_CLEAR_BONDS_ON_START
+	bool "Configuration that clears all bond information from the keyboard on startup."
+	default n
+
 # HID GATT notifications sent this way are *not* picked up by Linux, and possibly others.
 config BT_GATT_NOTIFY_MULTIPLE
 	default n

app/src/ble.c

@@ -346,6 +346,12 @@ static int zmk_ble_init(struct device *_arg)
 
 #endif
 
+#if IS_ENABLED(CONFIG_ZMK_BLE_CLEAR_BONDS_ON_START)
+    for (int i = 0; i < 10; i++) {
+        bt_unpair(i, NULL);
+    }
+#endif
+
     bt_conn_cb_register(&conn_callbacks);
     bt_conn_auth_cb_register(&zmk_ble_auth_cb_display);