Initial commit: Create comprehensive Git playground

- Multi-language source code (Python, JavaScript, Java, C++, Go)
- Configuration files (JSON, YAML, INI)
- Sample data files (CSV, JSON, logs)
- Binary and media assets (PNG, SVG, PDF)
- Test files and deployment scripts
- Nested directory structure for testing Git features

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

main.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+"""
+Main application entry point for the sandbox project.
+"""
+
+import json
+import os
+from datetime import datetime
+
+def load_config():
+    """Load configuration from config.json"""
+    try:
+        with open('config.json', 'r') as f:
+            return json.load(f)
+    except FileNotFoundError:
+        return {"debug": True, "version": "1.0.0"}
+
+def main():
+    """Main function"""
+    config = load_config()
+    print(f"Sandbox Project v{config.get('version', '1.0.0')}")
+    print(f"Debug mode: {config.get('debug', False)}")
+    print(f"Current time: {datetime.now()}")
+    
+    if config.get("debug"):
+        print("Running in debug mode")
+
+if __name__ == "__main__":
+    main()