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

.env.example

@@ -0,0 +1,9 @@
+# Environment Configuration for StrikePackageGPT
+# Copy this file to .env and fill in your values
+
+# LLM API Keys (optional - Ollama works without API keys)
+OPENAI_API_KEY=
+ANTHROPIC_API_KEY=
+
+# Ollama Configuration
+OLLAMA_BASE_URL=http://ollama:11434