Provide documentation and tooling for removing leaked secrets from Git history

[Copilot]

The file examples/SbeBinanceConsole/Properties/launchSettings.json containing Binance API keys was committed to Git history (commit b97aba18) and later removed from working tree (commit 80a8edb4). While .gitignore now prevents future commits, the sensitive data remains in repository history.

Limitation

Cannot automate history rewriting—requires git push --force which is prohibited in this environment. Repository owner must execute the cleanup.

Deliverables

Immediate Action Guides

• QUICK_REFERENCE.md - 3-step action plan (~2min read)
• SECURITY_INCIDENT_RESPONSE.md - Incident response with ready-to-use commands

Complete Documentation

• docs/REMOVE_SENSITIVE_FILE_FROM_HISTORY.md - 4 removal methods (BFG, git-filter-repo, git-filter-branch, GitHub Support)
• SOLUTION_SUMMARY.md - Full context and analysis

Automation

• scripts/remove-sensitive-file-from-history.sh - BFG-based cleanup script
  • Interactive confirmations
  • Configurable via environment variables
  • Explicit force push targets (--force origin --all)

Prevention

• .gitignore already contains **/launchSettings.json (line 373)
• README.md updated with security notice

Required Actions

1. CRITICAL: Revoke exposed Binance API keys immediately
2. Execute provided script or follow manual instructions
3. Force push cleaned history
4. Notify collaborators to re-clone repository

Total time: ~22 minutes. All documentation bilingual (PT/EN).

Original prompt

Não sei se consegue, gostaria de remover o arquivo ‎examples/SbeBinanceConsole/Properties/launchSettings.json‎
do historico por conta de vazamento de secrets.

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