Add GitHub Actions workflow for initial setup

Author: CSME030

.github/workflows/main.yml

@@ -0,0 +1,7 @@
+echo "# https-github.com-yourusername-sql-learning-app" >> README.md
+git init
+git add README.md
+git commit -m "first commit"
+git branch -M main
+git remote add origin https://github.com/CSME030/https-github.com-yourusername-sql-learning-app.git
+git push -u origin main