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>

config.json

@@ -0,0 +1,19 @@
+{
+  "name": "sandbox-project",
+  "version": "1.0.0",
+  "debug": true,
+  "database": {
+    "host": "localhost",
+    "port": 5432,
+    "name": "sandbox_db"
+  },
+  "features": {
+    "logging": true,
+    "caching": false,
+    "analytics": true
+  },
+  "api_keys": {
+    "development": "dev_key_123",
+    "staging": "staging_key_456"
+  }
+}