[mqtt] Add warning for co-installation with mqtt1 (openhab#8048)

Signed-off-by: Kai Neuhaus <[email protected]>
andrewfg · Aug 31, 2020 · 594b3a2 · 594b3a2
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commit 594b3a2
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diff --git a/bundles/org.openhab.binding.mqtt/README.md b/bundles/org.openhab.binding.mqtt/README.md
@@ -65,3 +65,7 @@ Configuration parameters are:
 * __stateTopic__: This channel will trigger on this MQTT topic. This topic can contain wildcards like + and # for example "all/in/#" or "sensors/+/config".
 * __payload__: An optional condition on the value of the MQTT topic that must match before this channel is triggered.
 
+## Legacy MQTT1-Binding
+
+This binding is not supposed to run in parallel to the old mqtt1-binding.
+Please uninstall the old binding before installing this binding.