templates: add .gitattributes entry for sample hooks

The sample hooks are shell scripts but the filenames end with ".sample"
so they need their own .gitattributes rule. Update our editorconfig
settings to match the attributes as well.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: phillipwood

.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,bash,perl,pl,pm,txt,adoc},config.mak.*,Makefile}]
+[{*.{c,h,sh,bash,perl,pl,pm,txt,adoc},config.mak.*,Makefile,templates/hooks/*.sample}]
 indent_style = tab
 tab_width = 8
 

.gitattributes

@@ -18,3 +18,4 @@ CODE_OF_CONDUCT.md -whitespace
 /Documentation/user-manual.adoc conflict-marker-size=32
 /t/t????-*.sh conflict-marker-size=32
 /t/unit-tests/clar/test/expected/* whitespace=-blank-at-eof
+/templates/hooks/*.sample whitespace=indent,trail,space,incomplete text eol=lf