GUI - Group Arrangement of nodes - hide nodes?

**Describe the problem you have/What new integration you would like**

Hi. I have in ESPHOME alot of sensor / switches etc. in my esphome GUI, which are used for certain times on the year (f.example x-mas).

Would it be possible to make some kind of "groups" in the ESPhome GUI - or eventually hide som nodes, which also will be omitted in the UPGRADE process?

**Please describe your use case for this integration and alternatives you've tried:**

**Additional context**

The issue names the ESPHome GUI but does not identify files, tests, or entry points. First clarify whether the desired feature is grouping, hiding nodes, excluding nodes from upgrades, or all three, then locate the relevant GUI and upgrade-flow areas; done should include agreed behavior and tests for the selected scope.

Written by the indexing model from the issue text.