added script for ZeroBrane Studio minetest environment

etc/install-zerobrane-minetest-environment

@@ -0,0 +1,51 @@
+dls_path="$HOME/Downloads"
+dl_name="MinetestIDEvers1(dot)0.zip"
+dl_path="$dls_path/$dl_name"
+if [ ! if "" ]; then
+  echo "ERROR: Nothing done since you must first download $dl_name from"
+  echo "  https://forum.minetest.net/viewtopic.php?f=14&t=12923"
+  echo "  such that it exists as $dl_path"
+  echo "Press Ctrl C to cancel otherwise this terminal will exit..."
+  echo "3..."
+  sleep 1
+  echo "2..."
+  sleep 1
+  echo "1..."
+  sleep 1
+  exit 1
+fi
+share_path=/opt/zbstudio
+try_path=/usr/share/zbstudio
+if [ -d "$try_path/api" ]; then
+  share_path="$try_path"
+elif [ ! -d "$share_path" ]; then
+  echo "Neither $share_path nor $try_path was found."
+  echo "  Make sure ZeroBrane is installed, or modify share_path in this script."
+  echo "Press Ctrl C to cancel otherwise this terminal will exit..."
+  echo "3..."
+  sleep 1
+  echo "2..."
+  sleep 1
+  echo "1..."
+  sleep 1
+  exit 2
+fi
+cd "$dls_path"
+zb_tmp_name="tmp_zb_minetest"
+if [ -d "$zb_tmp_name" ]; then
+  rm -Rf "$zb_tmp_name"
+fi
+mkdir "$zb_tmp_name"
+cd "$zb_tmp_name"
+unzip ../$dl_name
+cd ..
+sudo cp -Rf $zb_tmp_name/* "$share_path/"
+echo "You must close ZeroBrain Studio if already for this to take effect."
+echo
+echo
+echo "(For each project) after opening your lua file, click:"
+echo "  * Project"
+echo "  * Lua Interpreter"
+echo "  * minetest"
+echo
+sleep 4