Polish translation of TCA's README (#2040)

* Polish translation of TCA's README

Hello 👋 I would like to propose my small contribution to this amazing project. Hopefully it will make it even more accessible to polish developers 😊 

Love this architecture, it's the least I can do 🙌

Best Regards,
Marcel

* Update README.md

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Co-authored-by: Stephen Celis <[email protected]>

Author: MarcelStarczyk

README.md

@@ -622,6 +622,7 @@ The following translations of this README have been contributed by members of th
 * [Italian](https://gist.github.com/Bellaposa/5114e6d4d55fdb1388e8186886d48958)
 * [Japanese](https://gist.github.com/kalupas226/bdf577e4a7066377ea0a8aaeebcad428)
 * [Korean](https://gist.github.com/pilgwon/ea05e2207ab68bdd1f49dff97b293b17)
+* [Polish](https://gist.github.com/MarcelStarczyk/6b6153051f46912a665c32199f0d1d54)
 * [Portuguese](https://gist.github.com/SevioCorrea/2bbf337cd084a58c89f2f7f370626dc8)
 * [Russian](https://gist.github.com/artyom-ivanov/ed0417fd1f008f0492d3431c033175df)
 * [Simplified Chinese](https://gist.github.com/sh3l6orrr/10c8f7c634a892a9c37214f3211242ad)