uninstall script created and check arg function added

uninstaller.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+main (){
+    check_arg $1
+    echo "shah"
+}
+
+error (){
+    echo -e "\033[1;31merror:\e[0m $@"
+    exit 1
+}
+
+check_arg(){
+    if [ $1 != 0 ];then
+        error "please just run script without any argument"
+    fi
+}
+
+main $# $@