feat(dev): Update file generation logic and file upload functionality for dev-execution.

[karanA-aws]

Enhanced Development Prompt:

• Modified GENERATE_DEV_FILE_PROMPT to support running install, build, and test commands independently.

Improved Build and Code File Upload Logic:

• Updated the logic to enable uploading build files alongside code files

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.
• Your code changes must meet the guidelines in CONTRIBUTING.md.
• License: I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

• This pull request implements a feat or fix, so it must include a changelog entry (unless the fix is for an unreleased feature). Review the changelog guidelines.
  • Note: beta or "experiment" features that have active users should announce fixes in the changelog.
  • If this is not a feature or fix, use an appropriate type from the title guidelines. For example, telemetry-only changes should use the telemetry type.

[osdemah]

LGTM

[jpinkney-aws]

Not really related to this PR but it looks like a lot of characters after a period aren't capitialized. The actual PR looks fine otherwise though

[justinmk3]

This is failing lint.

[justinmk3]

why not add this to codefileNames?