USB external import, and filter chips on health-dot cards

plugins/usb/plugin.py

@@ -70,6 +70,11 @@ class USBPlugin(BasePlugin):
             'docs': 'plugins/usb/README.md',
         }
 
+    def get_cli_commands(self) -> List:
+        """CLI: import records off an external cmmc_usb database."""
+        from .cli import build_cli
+        return build_cli()
+
     def get_reports(self) -> List[Dict]:
         """Removable-media audit.