Fix #2: add nano editor

Author: humphd

buildroot-v86/configs/v86_defconfig

@@ -1,11 +1,13 @@
 BR2_x86_pentiumpro=y
 BR2_CCACHE=y
 BR2_KERNEL_HEADERS_4_15=y
+BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
 BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_v86_PATH)/board/v86/rootfs_overlay/"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_v86_PATH)/board/v86/post-image.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_v86_PATH)/board/v86/linux.config"
+BR2_PACKAGE_NANO=y
 BR2_TARGET_ROOTFS_INITRAMFS=y
 BR2_TARGET_ROOTFS_ISO9660=y
 BR2_TARGET_SYSLINUX=y