chore: add .gitattributes, force git to use Unix line endings

tdakkota · tdakkota · commit 340ba2a4e3e5 · 2022-07-15T13:06:00.000+03:00
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1,2 @@
+# Never modify line endings of corpus.
+testdata/fuzz/** text eol=lf

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+# Never modify line endings of corpus.`
	`2`	`+testdata/fuzz/** text eol=lf`