proxies: add smart proxy support

still to do:

* document new configuration options
* add smart proxies to groups view
* import bandwidth and CPU alarms

app/cli/db.py

@@ -54,7 +54,7 @@ def impot(model: db.Model) -> None:
                         line[i] = None  # type: ignore
                     else:
                         line[i] = datetime.datetime.strptime(line[i], "%Y-%m-%d %H:%M:%S.%f")  # type: ignore
-                elif header[i] in ["eotk"]:
+                elif header[i] in ["eotk", "auto_rotation", "smart"]:
                     # boolean fields
                     line[i] = line[i] == "True"  # type: ignore
                 elif header[i].endswith("_id") and line[i] == "":