Updated required node version to 16 or newer

Author: Gaspode69

README.md

@@ -62,6 +62,11 @@ To be able to use the new Open API you have to register your Alpha-ESS device un
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 ## Changelog
+
+### **WORK IN PROGRESS**
+
+-   (mcm1957) Updated required node version to 16 or newer
+
 ### 1.0.1 (2023-10-03)
 
 -   (Gaspode) Adapted fetching energy values using 'Closed API' to latest API changes by Alpha-ESS