Add `repeat_header` LaTeX option for #13
add the tests folder to build ignore to reduce the size
diff --git a/inst/NEWS b/inst/NEWS
index 0c02f28..a4ea393 100644
--- a/inst/NEWS
+++ b/inst/NEWS
@@ -9,6 +9,9 @@
 
 * Fixed a bug in grouped rows with ()[].
 
+* Add a new LaTeX option `repeat_header` in `kable_styling` for repeating
+header rows in a longtable environment.
+
 kableExtra 0.2.1
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