CEC-1183/CEC-1201 fleet vehicles forms (#130)

* working fleet vehicles forms

* snapshots and api tests

src/components/Fleets/Add/index.jsx

@@ -48,7 +48,6 @@ const MainForm = () => {
         canbus: { enabled: canbusEnabledEl.current.value === "true" },
         log_level: logLevelEl.current.value,
       };
-
       const result = await addFleet(formData, token);
 
       setMessage(`Added ${result.name}`);
@@ -96,7 +95,7 @@ const MainForm = () => {
         <TextField
           id="log-level"
           name="log-level"
-          label='Log Level (e.g. "debug", "info", "warn", "error", etc.)'
+          label='Log Level (e.g. "trace", "debug", "info", "warn", "error", "critical")'
           defaultValue="error"
           variant="outlined"
           margin="normal"