cloudosR 0.2.0

• Initial CRAN submission
• Core functionality for Lifebit Platform API interaction:
  • Profile configuration and management
  • Schema discovery for cohorts
  • SQL query validation
  • Read-only SQL query execution with automatic pagination
  • Policy-aware behavior with team-based access control
• Configuration now stored using tools::R_user_dir() for CRAN compliance
• Comprehensive test coverage and vignettes