docs: centralize wallet address

README.md

@@ -157,13 +157,15 @@ Currently the project is being maintained and constantly changing with new featu
 
 If you find this docker image useful, donations for work on dockerizing the build and mining app are appreciated at any of the folllowing addresses:
 
-<div align="center">
-
-<a href="https://www.blockchain.com/pt/btc/address/bc1qn50elv826qs2qd6xhfh6n79649epqyaqmtwky5"><img alt="BTC" src="https://img.shields.io/badge/BTC-black?style=for-the-badge&logo=bitcoin&logoColor=white"></a>
-
-<a href="https://live.blockcypher.com/ltc/address/ltc1qwzrxmlmzzx68k2dnrcrplc4thadm75khzrznjw/"><img alt="Litecoin" src="https://img.shields.io/badge/Litecoin-black?style=for-the-badge&logo=litecoin&logoColor=white"></a>
+<p align="center">
+  <a href="https://www.blockchain.com/pt/btc/address/bc1qn50elv826qs2qd6xhfh6n79649epqyaqmtwky5">
+    <img alt="BTC Address" src="https://img.shields.io/badge/BTC%20Address-black?style=for-the-badge&logo=bitcoin&logoColor=white">
+  </a>
 
-</div>
+  <a href="https://live.blockcypher.com/ltc/address/ltc1qwzrxmlmzzx68k2dnrcrplc4thadm75khzrznjw/">
+    <img alt="Litecoin Address" src="https://img.shields.io/badge/Litecoin%20Address-black?style=for-the-badge&logo=litecoin&logoColor=white">
+  </a>
+</p>
 
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