Merge pull request #6198 from ipfs/fix/gitattributes

gitattributes: default to LF

.gitattributes

+# Default to text
+* text eol=lf
+
+# True text
+*.md text eol=auto
+LICENSE text eol=auto
+
+# Binary assets
 assets/init-doc/*          binary
 core/coreunix/test_data/** binary