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/database.yml

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+development:
+  adapter: postgresql
+  encoding: unicode
+  database: sandbox_dev
+  pool: 5
+  username: postgres
+  password: password
+  host: localhost
+  port: 5432
+
+test:
+  adapter: postgresql
+  encoding: unicode
+  database: sandbox_test
+  pool: 5
+  username: postgres
+  password: password
+  host: localhost
+  port: 5432
+
+staging:
+  adapter: postgresql
+  encoding: unicode
+  database: sandbox_staging
+  pool: 10
+  username: <%= ENV['DB_USERNAME'] %>
+  password: <%= ENV['DB_PASSWORD'] %>
+  host: <%= ENV['DB_HOST'] %>
+  port: 5432
+
+production:
+  adapter: postgresql
+  encoding: unicode
+  database: sandbox_production
+  pool: 20
+  username: <%= ENV['DB_USERNAME'] %>
+  password: <%= ENV['DB_PASSWORD'] %>
+  host: <%= ENV['DB_HOST'] %>
+  port: 5432
+  ssl: true

config/settings.ini

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+[DEFAULT]
+debug = true
+log_level = INFO
+max_workers = 4
+
+[database]
+host = localhost
+port = 5432
+name = sandbox_db
+timeout = 30
+
+[api]
+base_url = https://api.example.com
+timeout = 10
+retry_count = 3
+rate_limit = 100
+
+[cache]
+enabled = true
+ttl = 3600
+max_size = 1000
+
+[logging]
+format = %(asctime)s - %(name)s - %(levelname)s - %(message)s
+file = logs/application.log
+max_file_size = 10MB
+backup_count = 5
+
+[features]
+feature_a = enabled
+feature_b = disabled
+feature_c = beta