Add the .git directory to the template .Rbuildignore.

This solves this note:

  N  checking for hidden files and directories ...
     Found the following hidden files and directories:
       .git
     These were most likely included in error. See section ‘Package
     structure’ in the ‘Writing R Extensions’ manual.

Author: mcol

inst/extdata/temp_Rbuildignore

@@ -1,7 +1,7 @@
 # -------------------------------------------------------------------------------------------------#
 # .Rbuildignore automatically generated by RLumBuild
 # author: Sebastian Kreutzer
-# template version: 2024-09-24
+# template version: 2024-11-15
 # -------------------------------------------------------------------------------------------------#
 
 # -- Exclude R stuff --
@@ -36,6 +36,7 @@
 ^README\.Rmd$
 ^README\.html$
 ^\.github$
+^\.git$
 
 # -- Exclude vignettes cache and files --
 ^vignettes/.*cache$