Add background to logo

Author: Spenhouet

README.md

@@ -1,5 +1,5 @@
 <p align="center">
-  <a href="https://github.com/Spenhouet/confluence-markdown-exporter"><img src="https://raw.githubusercontent.com/Spenhouet/confluence-markdown-exporter/8296d0d6f91ec8428dc2e8595434e406f49316dd/logo.png" alt="confluence-markdown-exporter"></a>
+  <a href="https://github.com/Spenhouet/confluence-markdown-exporter"><img src="https://raw.githubusercontent.com/Spenhouet/confluence-markdown-exporter/b8caaba935eea7e7017b887c86a740cb7bf99708/logo.png" alt="confluence-markdown-exporter"></a>
 </p>
 <p align="center">
     <em>The confluence-markdown-exporter exports Confluence pages in Markdown format. This exporter helps in migrating content from Confluence to platforms that support Markdown e.g. Obsidian, Foam, Dendron and more.</em>