feat: Add HackGpt Enterprise features

- 6-Phase pentest methodology UI (Recon, Scanning, Vuln, Exploit, Report, Retest)
- Phase-aware AI prompts with context from current phase
- Attack chain analysis and visualization
- CVSS-style severity badges (CRITICAL/HIGH/MEDIUM/LOW)
- Findings sidebar with severity counts
- Phase-specific tools and quick actions

.gitignore

@@ -0,0 +1,34 @@
+# Environment files
+.env
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+env/
+venv/
+.venv/
+ENV/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Docker
+*.log
+
+# Data directories (may contain sensitive info)
+data/
+*.db
+
+# Temporary files
+*.tmp
+*.temp