add news bullit about #824

JohannesNE · JohannesNE · commit bb61d1c8d5df · 2021-07-15T12:22:42.000+02:00
diff --git a/NEWS.md b/NEWS.md
@@ -2,6 +2,8 @@
 
 * Don't break line before comments in pipes (#822).
 
+* Files with .Rmarkdown extensions are now recognised as an R markdown files in `style_file()` and friends (#824)
+
 # styler 1.5.1
 
 ## Alignment detection
