Clean up old empty directories

[Thinkersbluff]

Remove old empty directories after files have been moved.

Tasks:

• Remove scripts/ directory (after files moved)
• Remove docker/ directory (after files moved)
• Remove .vscode/ directory (after files moved)
• Remove .github/ directory (after files moved)

Acceptance Criteria:

• All old directories removed
• No broken references remain

Dependencies: All file movement tasks completed
Estimate: 1 story point

[Thinkersbluff]

Accidentally created - cleaning up