deprecating repo

README.md

@@ -1,5 +1,10 @@
 # Electricity Prices API
 
+# Repository Deprecated
+:warning: **This repository is no longer maintained and has been replaced by an [implementation in Go](https://github.com/daithihearn/electricity-prices-go). The code is 
+preserved here 
+as a reference, but it is not recommended for continued use.**
+
 An API for information about electricity prices in Spain. Data is scraped from [REData Api](https://www.ree.
 es/en/apidatos) and [ESIOS](https://www.esios.ree.es/) and exposed via a [restful API](https://elec-api.daithiapp.com/).