add example deploy github script

deploy-github.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+# If a command fails then the deploy stops
+set -e
+
+if [ -d "public" ]
+then
+    echo -e "\033[0;32mRemoving public folder except .git and README.md and CNAME \033[0m\n"
+    cd public
+    find . -not -name '.git' -not -name 'README.md' -not -name 'CNAME' -delete
+    cd ..
+fi
+
+echo -e "\033[0;32mCommit change to main repository\033[0m\n"
+git add .
+git commit -m "update"
+git push origin main
+
+echo -e "\033[0;32mDeploying updates to GitHub pages repository\033[0m\n"
+# Build the project to another directory because zola will delete the submodule /public otherwise
+zola build --output-dir public_zola
+#Now copy built files to public directory
+cp -a public_zola/* public/
+rm -rf public_zola
+
+# Go To Public folder
+cd public
+
+# Add changes to git.
+git add .
+
+# Commit changes.
+msg="update site content $(date)"
+if [ -n "$*" ]; then
+    msg="$*"
+fi
+git commit -m "$msg"
+# Push source
+git push origin main