Add CLI tools, network configuration script, and project documentation

This commit introduces:
- A versatile CLI script with multiple utility functions
- A network configuration shell script for interface setup
- A README.md with basic project information
- Additional configuration files for development environment

cli.sh

@@ -0,0 +1,51 @@
+#!/bin/sh
+CMD=$(echo "$0" | cut -d / -f 4)
+ARCH=$(uname -m)
+
+if echo "$ARCH" | grep -q mips; then
+	ARC="-mips32"
+fi
+
+case "$CMD" in
+	cli)
+		yaml-cli -i /etc/majestic.yaml "$@"
+		;;
+
+	sensor_cli)
+		yaml-cli -i /etc/sensor/"$(fw_printenv -n sensor)".yaml "$@"
+		;;
+
+	ipctool)
+		IPCTOOL=/tmp/ipctool
+		if [ ! -x $IPCTOOL ]; then
+			curl -s -L -f -o $IPCTOOL https://github.com/OpenIPC/ipctool/releases/download/latest/ipctool"$ARC"
+			response=$?
+			if [ "$response" -ne 0 ]; then
+				echo "Unable to download ipctool. cUrl error code is $response."
+				exit $response
+			else
+				chmod +x $IPCTOOL
+				echo "The ipctool installed as remote GitHub plugin"
+			fi
+		fi
+		$IPCTOOL "$@"
+		;;
+
+	check_mac)
+		VENDOR=$(ipcinfo -v)
+		if [ "$VENDOR" = "hisilicon" ] || [ "$VENDOR" = "goke" ]; then
+			if [ "$(fw_printenv -n ethaddr)" = "00:00:23:34:45:66" ]; then
+				XMMAC=$(ipcinfo --xm-mac)
+				if [ -n "$XMMAC" ] && [ "$XMMAC" != "Nothing found." ]; then
+					fw_setenv ethaddr "$XMMAC"
+					reboot -f
+				else
+					echo "Warning. Wired network interface has default MAC address, please change it."
+				fi
+			fi
+		fi
+		;;
+
+	*)
+		;;
+esac