[#1192] Converted the rest of the scripts and cleaned up tests.

[AlexSkrypnyk]

#1192

Summary by CodeRabbit

• New Features

  • Many new CLI tooling scripts for DB download (S3, URL, FTP, Acquia, Lagoon, container images), DB export (file/image), S3 upload, Acquia/Lagoon tasks, and a DB sanitization task.

• Refactor

  • Unified command error handling and improved HTTP request streaming and robustness for CLI operations.

• Documentation

  • Added a tooling subsystem, reorganized and condensed tooling docs and sectioning.

• Tests

  • Large expansion of unit tests covering new scripts, helpers, and edge cases.