File Editor
If the File Editor of the built-in Home Assistant on your iSG doesn't appear in the sidebar, here's how to add it.
1)Go to iSG built in Home Assistant, Click HACS in side-bar, and search "Config editor", click "download", and it will show in the HACS list

2) Search " Config Editor Card" in HACS, and click "download", it will also show in the HACS list

3) Go to iSG add-ons, click HA Web SSH, install and Enable it.
Note, HA Web SSH can only be used in iSG after version 20130_x64, and Container version 100205_x64

4) Use PC Web browser to open http://iSG IP:4200
Login Username: linknlink_user
Password: admin
Input command: ls
Input command: nano configureation.yaml

5) Input "config_editor:" , and save the configuration.yaml

6) Restart Home Assistant, Go to Settings - Dashboards

7) Click "+ ADD DASHBOARD", choose "New dashboard from scratch"

8) Name the dashboard and choose icon, then click "CREATE"

9) "File Editor" will show on left side-bar, choose it and click top right edit

10) click edit

11) name the card and choose icon, then choose "Panel" in View type, then save it

12) click "+ ADD CARD"

13) Slide to the bottom and choose Custom cards

14) Click SAVE

15) Now you can use File Editor to edit configration.yaml file, choose file from bottom right
