Update README.md

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Dave Conway-Jones 2019-11-16 22:04:05 +00:00
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@ -360,6 +360,7 @@ If you want to add a small legend overlay
msg.payload.command = { "legend": "<b>Title</b></br><i style=\"background: #477AC2\"></i> Water<br><i style=\"background: #448D40\"></i> Forest<br>" };
To remove set the legend to an empty string `""`.
#### To draw a heavily customised Circle on a layer