SWDEV-286322 - Add .gitattribute

Change-Id: I4ae4c4498765f10c98bb5f2443a083463b0e25af


[ROCm/clr commit: ed0e7f659d]

projects/clr/rocclr/.gitattributes

@@ -0,0 +1,21 @@
+# Set the default behavior, in case people don't have core.autolf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to have LF line endings on checkout.
+*.c text eol=lf
+*.cpp text eol=lf
+*.cc text eol=lf
+*.h text eol=lf
+*.hpp text eol=lf
+*.txt text eol=lf
+
+# Define files to support auto-remove trailing white space
+# Need to run the command below, before add modified file(s) to the staging area
+# git config filter.trimspace.clean 'sed -e "s/[[:space:]]*$//g"'
+*.cpp filter=trimspace
+*.c filter=trimspace
+*.h filter=trimspacecpp
+*.hpp filter=trimspace
+*.md filter=trimspace
+