Add SSH scan support with BSI TR-02102-4 compliance

- SSH scanning via ssh-audit (KEX, encryption, MAC, host keys)
- BSI TR-02102-4 and IANA compliance validation for SSH
- CSV/Markdown/reST reports for SSH results
- Unified compliance schema and database views
- Code optimization: modular query/writer architecture

pyproject.toml

@@ -10,6 +10,7 @@ requires-python = ">=3.13"
 dependencies = [
     "sslyze>=6.0.0",
     "jinja2 (>=3.1.6,<4.0.0)",
+    "ssh-audit>=2.0.0",
 ]
 
 [project.scripts]
@@ -26,7 +27,8 @@ build-backend = "poetry.core.masonry.api"
 [dependency-groups]
 dev = [
     "pytest (>=9.0.2,<10.0.0)",
-    "ruff (>=0.14.9,<0.15.0)"
+    "ruff (>=0.14.9,<0.15.0)",
+    "vulture (>=2.14,<3.0)"
 ]
 
 [tool.ruff]