Added citation to readme

README.md

@@ -6,4 +6,7 @@ This small go program tests numbers for primality using the fermat primality tes
 Simply start the program with:
 ```bash
 go run cmd/fermatprimalitytest/main.go
-```
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+```
+
+## Acknoledgements
+The ci pipeline is based on [onniegane.kiwi](https://ronniegane.kiwi/blog/2019/06/18/go-gitlab/)s example.
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