cli: add OpenWrt CLI

This provides an easy to use modular CLI that can be used to interact with
OpenWrt services. It has full support for context sensitive tab completion
and help.
Extra modules can be provided by packages and can extend the existing node
structure in any place.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/utils/cli/Makefile

@@ -0,0 +1,35 @@
+#
+# Copyright (C) 2025 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=cli
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_LICENSE:=GPL-2.0
+PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/cli
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=OpenWrt CLI
+  DEPENDS:=+ucode +ucode-mod-uline \
+	+ucode-mod-ubus +ucode-mod-uloop \
+	+ucode-mod-fs +ucode-mod-rtnl
+endef
+
+define Build/Compile
+	:
+endef
+
+define Package/cli/install
+	$(CP) ./files/* $(1)/
+endef
+
+$(eval $(call BuildPackage,cli))