add auto publish script

Author: Hamed

publish_to_ghpages.sh

@@ -0,0 +1,23 @@
+
+#!/bin/sh
+
+echo "Deleting old publication"
+rm -rf public
+mkdir public
+git worktree prune
+rm -rf .git/worktrees/public/
+
+echo "Checking out gh-pages branch into public"
+git worktree add -B gh-pages public origin/gh-pages
+
+echo "Removing existing files"
+rm -rf public/*
+
+echo "Generating site"
+hugo
+
+echo "Updating gh-pages branch"
+cd public && git add --all && git commit -m "Publishing to gh-pages"
+
+echo "Pushing changes"
+git push origin gh-pages