Add new models to TS0601 thermostat 3

[SANSTONE]

Add new models to TS0601 thermostat 3 instead of creating a new one, as suggested by the author

[Koenkk]

Thanks!

Could you also submit a picture for the docs? This can be done by:

1. Create a fork by clicking here
2. Go to the public/images/devices directory, Add file -> Upload files
3. Upload the files and press Commit changes
4. Press Contribute -> Open pull request -> update title/description -> Create pull request

Make sure that:

• The filename is AVATTO_TRV06.png
• The size is 512x512
• The background is transparent (use e.g. Adobe remove background)

[SANSTONE]

thanks for your guidance，I had submited md file and png three weeks ago

[Koenkk]

Was the picture name AVATTO_TRV06.png? Could you provide a link to the PR?