fix(README): tweak to formatting

README.md

@@ -0,0 +1,22 @@
+<p align="center"></p><!-- spacer -->
+
+<div align="center">
+  <img src="https://raw.githubusercontent.com/llywelwyn/pda/master/docs/pda.png"
+       alt="pda"
+       width="200"
+</div>
+
+<p align="center"></p><!-- spacer -->
+
+<div align="center">
+  <a href="https://github.com/llywelwyn/pda/actions" rel="nofollow">
+    <img src="https://img.shields.io/github/actions/workflow/status/llywelwyn/pda/go.yml?branch=main"
+         alt="build status"
+         style="max-width:100%;">
+  </a>
+</div>
+
+<div align="center">&nbsp;</div><!-- spacer -->
+<br/>
+
+`pda`! a key-value store