opml: update badge position

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

README.md

@@ -1,7 +1,6 @@
 # opml-go - Parse and export OPML outline files
 
-<img src="https://github.com/virtualtam/opml-go/actions/workflows/ci.yaml/badge.svg?branch=main" alt="Continuous integration workflow status">
-<a href="https://pkg.go.dev/github.com/virtualtam/opml-go"><img src="https://pkg.go.dev/badge/github.com/virtualtam/opml-go.svg" alt="Go Reference"></a>
+<img src="https://github.com/virtualtam/opml-go/actions/workflows/ci.yaml/badge.svg?branch=main" alt="Continuous integration workflow status"> <a href="https://pkg.go.dev/github.com/virtualtam/opml-go"><img src="https://pkg.go.dev/badge/github.com/virtualtam/opml-go.svg" alt="Go Reference"></a>
 
 `opml-go` provides a library to marshal and unmarshal outlines using the
 [Outline Processor Markup Language (OPML)](https://opml.org/spec2.opml) 2.0 format.