doc: fix links to logo (#39)

Author: nh13

README.md

@@ -12,7 +12,7 @@ A GitHub Action for fetching PR commits through the merge-base
 * [Motivation](#motivation)
 
 <p>
-<a href float="left"="https://fulcrumgenomics.com"><img src=".github/logos/fulcrumgenomics.svg" alt="Fulcrum Genomics" height="100"/></a>
+<a href="https://fulcrumgenomics.com"><img src=".github/logos/fulcrumgenomics.svg" alt="Fulcrum Genomics" height="100"/></a>
 </p>
 
 [Visit us at Fulcrum Genomics](https://www.fulcrumgenomics.com) to learn more about how we can power your Bioinformatics with fetch-through-merge-base and beyond.