Added dev.to link

metonymic-smokey · Nov 21, 2021 · 06ff147 · 06ff147
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 # prom-exporter
-Repo for learning how to implement Prometheus exporter
+Repo for learning how to implement Prometheus exporter. This contains the complete code of the snippets in [this dev.to article](https://dev.to/metonymicsmokey/custom-prometheus-metrics-with-go-520n). 
 
 ### Instructions to run:    
 * Have Prometheus running on port 9090 and make sure port 2112 is not in use.