Add GitHub setup helper script

setup_github.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+# GitHub Setup Script for Quadratic Plotter Project
+# This script helps you push this project to a private GitHub repository
+
+set -e
+
+echo "=========================================="
+echo "GitHub Repository Setup for Quadratic Plotter"
+echo "=========================================="
+echo
+
+# Check if git is installed
+if ! command -v git &> /dev/null; then
+    echo "❌ Git is not installed. Please install git first."
+    exit 1
+fi
+
+# Check if we're in a git repository
+if [ ! -d ".git" ]; then
+    echo "❌ Not a git repository. Initializing git..."
+    git init
+    git add .
+    git commit -m "Initial commit: Quadratic Equation Plotter"
+fi
+
+echo "✅ Git repository is ready"
+echo
+
+# Check for GitHub CLI
+if command -v gh &> /dev/null; then
+    echo "✅ GitHub CLI (gh) is installed"
+    echo
+    echo "To create a private repository and push:"
+    echo "  1. Authenticate if not already: gh auth login"
+    echo "  2. Run: gh repo create quadratic-plotter --private --source=. --remote=origin --push"
+    echo
+else
+    echo "ℹ️  GitHub CLI (gh) is not installed"
+    echo
+    echo "Manual setup instructions:"
+    echo "  1. Create a new private repository at https://github.com/new"
+    echo "     - Name: quadratic-plotter (or your preferred name)"
+    echo "     - Select 'Private'"
+    echo "     - DO NOT initialize with README, .gitignore, or license"
+    echo
+    echo "  2. Add remote and push:"
+    echo "     git remote add origin https://github.com/YOUR_USERNAME/quadratic-plotter.git"
+    echo "     git branch -M main"
+    echo "     git push -u origin main"
+    echo
+    echo "  3. For SSH (recommended for frequent pushes):"
+    echo "     git remote add origin git@github.com:YOUR_USERNAME/quadratic-plotter.git"
+    echo "     git branch -M main"
+    echo "     git push -u origin main"
+fi
+
+echo "=========================================="
+echo "Current Git Status:"
+echo "=========================================="
+git status
+echo
+echo "=========================================="
+echo "Recent Commits:"
+echo "=========================================="
+git log --oneline -5
+echo
+echo "=========================================="
+echo "Remote Repositories:"
+echo "=========================================="
+git remote -v
+echo
+echo "✅ Setup instructions complete!"
+echo "👉 Follow the instructions above to push to GitHub"