feat: add comprehensive demo for TypeScript GitHub Action template

- Create demo.sh showcasing template features
- Document development workflow and tools
- Show Jest testing and coverage setup
- Display CI/CD integration examples
- Demonstrate Docker support and deployment
- 95%+ coverage target documented

Author: wesleyscholl

demo.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+
+# Demo script for github-action-base-ts - TypeScript GitHub Action template
+
+set -e
+
+echo "=========================================="
+echo "  🚀 GitHub Action Base (TypeScript)"
+echo "  Production-Ready Action Template"
+echo "=========================================="
+echo ""
+
+echo "📦 Project Structure:"
+if [ -f "package.json" ]; then
+    echo "   ✅ TypeScript project detected"
+    echo "   • Jest for testing"
+    echo "   • ESLint + Prettier for code quality"
+    echo "   • Husky for git hooks"
+    echo "   • GitHub Actions CI/CD"
+else
+    echo "   ❌ package.json not found"
+fi
+
+echo ""
+echo "✨ Template Features:"
+echo ""
+echo "   🔧 Development Tools"
+echo "      • TypeScript with strict mode"
+echo "      • Jest test framework"
+echo "      • ESLint + Prettier configured"
+echo "      • Pre-commit hooks with Husky"
+echo "      • Hot reload for development"
+echo ""
+echo "   🎯 GitHub Actions Integration"
+echo "      • action.yml metadata configured"
+echo "      • Inputs/outputs defined"
+echo "      • Docker support included"
+echo "      • CI/CD workflows ready"
+echo ""
+echo "   📊 Quality Assurance"
+echo "      • 95%+ test coverage target"
+echo "      • Automated linting"
+echo "      • Type checking"
+echo "      • Dependency scanning"
+echo ""
+
+echo "🧪 Running Tests..."
+if [ -d "node_modules" ]; then
+    if [ -f "package.json" ]; then
+        echo "   Run: npm test"
+        echo "   Coverage: npm run test:coverage"
+    fi
+else
+    echo "   ℹ️  Install dependencies: npm install"
+fi
+
+echo ""
+echo "📝 Usage Example:"
+echo ""
+echo "   name: Use TypeScript Action"
+echo "   on: [push]"
+echo "   jobs:"
+echo "     test:"
+echo "       runs-on: ubuntu-latest"
+echo "       steps:"
+echo "         - uses: actions/checkout@v3"
+echo "         - uses: wesleyscholl/github-action-base-ts@v1"
+echo "           with:"
+echo "             input-param: 'value'"
+echo ""
+
+echo "🛠️  Development Workflow:"
+echo ""
+echo "   1. Install dependencies:"
+echo "      npm install"
+echo ""
+echo "   2. Run in development mode:"
+echo "      npm run dev"
+echo ""
+echo "   3. Run tests:"
+echo "      npm test"
+echo ""
+echo "   4. Build for production:"
+echo "      npm run build"
+echo ""
+echo "   5. Package for release:"
+echo "      npm run package"
+echo ""
+
+echo "📊 Template Benefits:"
+echo "   • Faster action development (save hours)"
+echo "   • Best practices built-in"
+echo "   • Type safety with TypeScript"
+echo "   • Automated testing & CI/CD"
+echo "   • Production-ready from day 1"
+echo ""
+
+echo "=========================================="
+echo "  Repository: github.com/wesleyscholl/github-action-base-ts"
+echo "  Type: Template | Coverage: 95%+ target"
+echo "=========================================="
+echo ""