Updating readme.

README.md

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+![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/bgriggs/pi-temp-relay/build.yml)
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 # pi-temp-relay
 Basic temperature controlled relay on Raspberry PI that used temperatures from Victron Cerbo generic sensors.
 
 ## Parts
 Relay: https://www.amazon.com/gp/product/B0BJBDWMM2/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1  
 Raspberry PI Power: https://www.amazon.com/dp/B01MEF293V?psc=1&ref=ppx_yo2ov_dt_b_product_details  
-Ruuvi Tag: https://ruuvi.com/ruuvitag/
+Ruuvi Tag: https://ruuvi.com/ruuvitag/<br/>
 Raspberry PI 3, 4, or 5