feat: interactive network map, IOC highlighting, AUP hunt selector, type filters

- NetworkMap: hunt-scoped force-directed graph with click-to-inspect popover
- NetworkMap: zoom/pan (wheel, drag, buttons), viewport transform
- NetworkMap: clickable IP/Host/Domain/URL legend chips to filter node types
- NetworkMap: brighter colors, 20% smaller nodes
- DatasetViewer: IOC columns highlighted with colored headers + cell tinting
- AUPScanner: hunt dropdown replacing dataset checkboxes, auto-select all
- Rename 'Social Media (Personal)' theme to 'Social Media' with DB migration
- Fix /api/hunts timeout: Dataset.rows lazy='noload' (was selectin cascade)
- Add OS column mapping to normalizer
- Full backend services, DB models, alembic migrations, new routes
- New components: Dashboard, HuntManager, FileUpload, NetworkMap, etc.
- Docker Compose deployment with nginx reverse proxy

.gitignore

@@ -0,0 +1,56 @@
+# ── Python ────────────────────────────────────
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+dist/
+build/
+*.egg
+.eggs/
+
+# ── Virtual environments ─────────────────────
+venv/
+.venv/
+env/
+
+# ── IDE / Editor ─────────────────────────────
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# ── OS ────────────────────────────────────────
+.DS_Store
+Thumbs.db
+
+# ── Environment / Secrets ────────────────────
+.env
+*.env.local
+
+# ── Database ─────────────────────────────────
+*.db
+*.sqlite3
+
+# ── Uploads ──────────────────────────────────
+uploads/
+
+# ── Node / Frontend ──────────────────────────
+node_modules/
+frontend/build/
+frontend/.env.local
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# ── Docker ───────────────────────────────────
+docker-compose.override.yml
+
+# ── Test / Coverage ──────────────────────────
+.coverage
+htmlcov/
+.pytest_cache/
+.mypy_cache/
+
+# ── Alembic ──────────────────────────────────
+alembic/versions/*.pyc