Bump version to 0.4.1

DESCRIPTION

@@ -1,7 +1,7 @@
 Type: Package
 Package: xaringanthemer
 Title: Custom 'xaringan' CSS Themes
-Version: 0.4.0.9000
+Version: 0.4.1
 Authors@R: 
     person("Garrick", "Aden-Buie", , "garrick@adenbuie.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0002-7111-0077"))

NEWS.md

@@ -1,6 +1,6 @@
 <!-- NEWS.md is maintained by https://cynkra.github.io/fledge, do not edit -->
 
-# xaringanthemer (development version)
+# xaringanthemer 0.4.1
 
 * Text alignment in code blocks in `left`, `center`, or `right` aligned slides 
   no longer matches the slide text. Instead, the code block width is reduced,