Merge branch 'dm/editorconfig-bash-is-like-sh'

The editorconfig file is updated to tell us that bash scripts are
similar to general Bourne shell scripts.

* dm/editorconfig-bash-is-like-sh:
  editorconfig: add .bash extension

Author: gitster

.editorconfig

@@ -4,7 +4,7 @@ insert_final_newline = true
 
 # The settings for C (*.c and *.h) files are mirrored in .clang-format.  Keep
 # them in sync.
-[{*.{c,h,sh,perl,pl,pm,txt,adoc},config.mak.*,Makefile}]
+[{*.{c,h,sh,bash,perl,pl,pm,txt,adoc},config.mak.*,Makefile}]
 indent_style = tab
 tab_width = 8