feat: add the uninstall.sh

uninstall.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+# Go back to the root directory of ngxway.
+ngxwayPath=$(cd `dirname $0`; pwd)
+cd $ngxwayPath
+
+# Require the common shell scripts.
+. $ngxwayPath/scripts/common.sh
+
+# Check the system, only available for Linux and Unix series.
+whichSystem=$(printWhichSystem)
+
+# Export to the global PATH.
+if [ $whichSystem == "Linux" ];then
+  sed "/${exportPathTemplate1}/,+2d" ~/.bashrc
+  source ~/.bashrc
+else
+  sed -i "" "/${exportPathTemplate1}/,+2d" ~/.bash_profile
+  source ~/.bash_profile
+fi