docs: add GitHub repository setup automation

- Add automated GitHub setup script for easy repository creation
- Include comprehensive setup guide with step-by-step instructions
- Cover repository configuration, branch protection, and CI/CD setup
- Provide guidance for open source project promotion and community engagement

Author: wahyd4

GITHUB_SETUP.md

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+# GitHub Repository Setup Guide
+
+This guide will help you create a GitHub repository and push your Passkey Auth project to GitHub.
+
+## Prerequisites
+
+- Git installed and configured
+- GitHub account
+- SSH keys set up with GitHub (recommended) or HTTPS access
+
+## Step-by-Step Instructions
+
+### 1. Create GitHub Repository
+
+1. Go to [GitHub](https://github.com) and sign in
+2. Click the "+" icon in the top right corner
+3. Select "New repository"
+4. Fill in the repository details:
+   - **Repository name**: `passkey-auth` (or your preferred name)
+   - **Description**: "WebAuthn (FIDO2) passkey authentication service for Kubernetes nginx ingress"
+   - **Visibility**: Public (for open source) or Private
+   - **DO NOT** initialize with README, .gitignore, or license (we already have these)
+5. Click "Create repository"
+
+### 2. Push Your Code
+
+#### Option A: Use the Setup Script (Recommended)
+```bash
+# Run the automated setup script
+./scripts/github-setup.sh
+```
+
+#### Option B: Manual Setup
+```bash
+# Set your GitHub username and repository name
+GITHUB_USERNAME="your-username"
+REPO_NAME="passkey-auth"
+
+# Add remote origin
+git remote add origin https://github.com/${GITHUB_USERNAME}/${REPO_NAME}.git
+
+# Push to GitHub
+git branch -M main
+git push -u origin main
+```
+
+### 3. Configure Repository Settings
+
+After pushing, configure your repository:
+
+#### Basic Settings
+1. Go to your repository on GitHub
+2. Click "Settings" tab
+3. Add a description: "WebAuthn (FIDO2) passkey authentication service for Kubernetes nginx ingress"
+4. Add topics: `webauthn`, `fido2`, `passkey`, `kubernetes`, `authentication`, `golang`, `nginx`, `ingress`
+5. Add website URL if you have a demo
+
+#### Branch Protection (Recommended)
+1. Go to Settings → Branches
+2. Click "Add rule"
+3. Branch name pattern: `main`
+4. Enable:
+   - ✅ Require a pull request before merging
+   - ✅ Require status checks to pass before merging
+   - ✅ Require branches to be up to date before merging
+   - ✅ Include administrators
+
+#### GitHub Actions Secrets (For CI/CD)
+If you want to publish Docker images:
+
+1. Go to Settings → Secrets and variables → Actions
+2. Add repository secrets:
+   - `DOCKER_USERNAME`: Your Docker Hub username
+   - `DOCKER_PASSWORD`: Your Docker Hub password or access token
+
+### 4. Optional Enhancements
+
+#### GitHub Pages (Documentation)
+1. Go to Settings → Pages
+2. Source: Deploy from a branch
+3. Branch: `main`
+4. Folder: `/docs` (create docs folder if needed)
+
+#### Issue Templates
+The repository already includes:
+- Bug report template
+- Feature request template
+- Pull request template
+
+#### Discussions
+1. Go to Settings → General
+2. Scroll to "Features"
+3. Enable "Discussions" for community Q&A
+
+#### Security
+1. Go to Settings → Security
+2. Enable "Dependency graph"
+3. Enable "Dependabot alerts"
+4. Enable "Dependabot security updates"
+
+## Repository Structure
+
+Your repository now includes:
+
+```
+passkey-auth/
+├── .github/                 # GitHub templates and workflows
+│   ├── ISSUE_TEMPLATE/     # Bug and feature request templates
+│   ├── workflows/          # GitHub Actions CI/CD
+│   └── pull_request_template.md
+├── internal/               # Go application code
+├── k8s/                   # Kubernetes manifests
+├── scripts/               # Build and deployment scripts
+├── web/                   # Web interface
+├── CHANGELOG.md           # Version history
+├── CONTRIBUTING.md        # Contribution guidelines
+├── LICENSE               # MIT License
+├── README.md             # Main documentation
+├── Dockerfile            # Docker build configuration
+└── Makefile              # Development commands
+```
+
+## Next Steps
+
+1. **Star your repository** to bookmark it
+2. **Watch releases** to get notified of updates
+3. **Create your first release** when ready
+4. **Share with the community** on relevant platforms
+5. **Write blog posts** about your project
+6. **Submit to awesome lists** related to authentication or Kubernetes
+
+## Promoting Your Open Source Project
+
+- **Reddit**: Post in r/golang, r/kubernetes, r/selfhosted
+- **Hacker News**: Share when you have significant updates
+- **Dev.to**: Write technical blog posts
+- **Twitter/X**: Share updates and engage with the community
+- **Kubernetes Slack**: Share in relevant channels
+- **Awesome Lists**: Submit to awesome-go, awesome-kubernetes, etc.
+
+## Support
+
+If you need help with GitHub setup:
+- [GitHub Docs](https://docs.github.com)
+- [Git Handbook](https://guides.github.com/introduction/git-handbook/)
+- [GitHub Community](https://github.qkg1.topmunity)
+
+Happy coding! 🚀

scripts/github-setup.sh

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+#!/bin/bash
+
+# GitHub Repository Setup Script
+# Run this script after creating the repository on GitHub
+
+set -e
+
+echo "🚀 Passkey Auth - GitHub Repository Setup"
+echo "=========================================="
+
+# Check if we're in a git repository
+if [ ! -d ".git" ]; then
+    echo "❌ Error: Not in a git repository. Run this from the project root."
+    exit 1
+fi
+
+# Check for uncommitted changes
+if ! git diff-index --quiet HEAD --; then
+    echo "⚠️  Warning: You have uncommitted changes."
+    echo "Please commit or stash them before proceeding."
+    exit 1
+fi
+
+# Prompt for GitHub username and repository name
+read -p "Enter your GitHub username: " GITHUB_USERNAME
+read -p "Enter the repository name (default: passkey-auth): " REPO_NAME
+REPO_NAME=${REPO_NAME:-passkey-auth}
+
+# Set the repository URL
+REPO_URL="https://github.com/${GITHUB_USERNAME}/${REPO_NAME}.git"
+
+echo ""
+echo "📋 Repository Details:"
+echo "   Username: ${GITHUB_USERNAME}"
+echo "   Repository: ${REPO_NAME}"
+echo "   URL: ${REPO_URL}"
+echo ""
+
+# Confirm before proceeding
+read -p "Do you want to proceed? (y/N): " CONFIRM
+if [[ ! $CONFIRM =~ ^[Yy]$ ]]; then
+    echo "Aborted."
+    exit 1
+fi
+
+echo ""
+echo "⚙️  Setting up remote repository..."
+
+# Add remote origin
+if git remote get-url origin >/dev/null 2>&1; then
+    echo "📝 Updating existing origin remote..."
+    git remote set-url origin "${REPO_URL}"
+else
+    echo "📝 Adding origin remote..."
+    git remote add origin "${REPO_URL}"
+fi
+
+# Set upstream branch and push
+echo "📤 Pushing to GitHub..."
+git branch -M main
+git push -u origin main
+
+echo ""
+echo "✅ Success! Your repository has been pushed to GitHub."
+echo ""
+echo "🔗 Repository URL: https://github.com/${GITHUB_USERNAME}/${REPO_NAME}"
+echo ""
+echo "📋 Next Steps:"
+echo "   1. Visit your repository on GitHub"
+echo "   2. Add repository description and topics"
+echo "   3. Configure branch protection rules (optional)"
+echo "   4. Set up GitHub Pages for documentation (optional)"
+echo "   5. Configure secrets for GitHub Actions:"
+echo "      - DOCKER_USERNAME (for Docker Hub publishing)"
+echo "      - DOCKER_PASSWORD (for Docker Hub publishing)"
+echo ""
+echo "🎉 Your open source project is now live!"