[darksky] Added hint about Dark Sky API deprecation (#11347)

Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>

diff --git a/bundles/org.openhab.binding.darksky/README.md b/bundles/org.openhab.binding.darksky/README.md
index 4e03b3a9d028c2b0efac2e70ec361e442fd6ff05..94519ae5470f6a31f982bce17595acdd9e057def 100644 (file)
--- a/bundles/org.openhab.binding.darksky/README.md
+++ b/bundles/org.openhab.binding.darksky/README.md
@@ -2,6 +2,11 @@
 
 This binding integrates the [Dark Sky API](https://darksky.net/dev/docs).
 
+::: tip Note
+The Dark Sky API service for existing customers will continue until the end of 2022.
+They do no longer accept new signups.
+:::
+
 ## Supported Things
 
 There are two supported things.